PDF malware analysis — malicious · 30d39f00774e153e

MALICIOUS

PDF

89.7 KB Created: 2021-06-25 22:02:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-08-20

MD5: 01f422703d1448eb39bf78c0f701b208 SHA-1: 380287e09124ce604b187e729306c7d53b1bbc74 SHA-256: 30d39f00774e153e97283c94e462feb3a7aa0e58e950fa27ebb68cd00da12f6d

176 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The document contains a link farm pointing to numerous distinct hosts, many of which appear to be compromised WordPress sites or disposable hosting. The presence of 'utm_term' parameters suggests a phishing or SEO manipulation attempt. No scripts were extracted, but the overall structure and URL distribution indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 0.9822

Heuristics 7

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM

PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
QR-code redirect lure medium SE_QR_LURE

Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
URL https://firesystem.ro/imagini_ws/nodapere.pdf In PDF document text
- http://nadiadsa.org/userfiles/file/lezofevovepixal.pdfIn PDF document text
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b3daf88f263---94954291553.pdfIn PDF document text
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/ba7daf94fb4527cd425469eb2fe14dd7/zozutazirabezo.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1b97bb0cae---58357270356.pdfIn PDF document text
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608a05a096ea5---24260237317.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/l8ccrn4aoh049p70p79uersjjc/gokoresa.pdfIn PDF document text
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f4b0318734---39277559116.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d8b12f288f---vedusoxuzugutomevok.pdfIn PDF document text
- https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/d018e1223aeca8555fa79d8106fa49d4/kesexosapol.pdfIn PDF document text
- http://worldofpacifiers.com/editor_uploads/system/files/38536740996.pdfIn PDF document text
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/6c45fa0e97aa01f2263d81e183c9d434/nadifibami.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609233359b806---57408495867.pdfIn PDF document text
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160cd00eeae0bc---29627150601.pdfIn PDF document text
- https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/abab387bc7d7e503f020b35aca34ae01/bixerulevajag.pdfIn PDF document text
- http://unipsyclinic.com/userfiles/file/20210517145028.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bb16ccace8b---pameg.pdfIn PDF document text
- https://charqueadaboavista.com.br/wp-content/plugins/super-forms/uploads/php/files/a23bf3e3f412ebf4b4d351785012cfb1/75424083287.pdfIn PDF document text
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/661jgri65oea8180g839fva6o4/zuxojapukisegafatut.pdfIn PDF document text
- http://bronia.org/userfiles/file/96609933657.pdfIn PDF document text
- http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/hhje8gd88ak66i11neh2nfe9m2/xuzupifatarixawefeniw.pdfIn PDF document text
- https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/8eb9a7d6582c97ae4f7358464a7bc533/70554422861.pdfIn PDF document text
- https://aedwea.com/upload/foto/90192191430.pdfIn PDF document text
- http://www.dramayaramendes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607427c7bb9e7---96180552707.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/36778005586.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16070262897e3d---deroki.pdfIn PDF document text
- https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/301a9c7d448588b652f62c6a3b60c1c7/nirupexegenomoweselavoru.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+scan+qr+code+whatsapp+androidPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000f922.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF922	10788 bytes
SHA-256: `6a301ccb657b9a54558632f3055c291b73200abd76f561003d2d7b9557dcbae1`
`font_01_sfnt_off000111bc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x111BC	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off000129ce.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x129CE	17396 bytes
SHA-256: `5bac81d2dbf0f37a083dae89909340cc630f9557d04f8dc1f12c7488984ad151`

Open this report in the interactive analyzer, or submit your own file for analysis.