PDF malware analysis — malicious · 7f43d0a050819067

MALICIOUS

PDF

77.6 KB Created: 2021-07-20 05:08:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-27

MD5: c0a2d925fb034e7b2c4da04b04183933 SHA-1: cc95ad523820d968233daa93869da36fb6faac9c SHA-256: 7f43d0a05081906756eda6c9929c4404aa7a287bc9b80d99cd2e6025ec7ad099

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file contains numerous embedded links, many of which point to external websites hosted on compromised CMS platforms. The ClamAV detection and ML classifier indicate malicious intent, likely phishing or malware distribution. The presence of multiple external links suggests an attempt to redirect the user to malicious content or exploit kits.

Machine Learning

Nyx PDF Classifier malicious score 0.5366

Heuristics 5

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.
External URI info PDF_URI

PDF contains an external URL action
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://austarpharma.com/upload/files/duxoleb.pdf In PDF document text
- http://zuche0551.com/upload/file/69243183255.pdfIn PDF document text
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc1a8019ea---nelimixoboruti.pdfIn PDF document text
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/5c4331159eb3817218ab878f36a9f392/75488871223.pdfIn PDF document text
- https://gites-les-bardots.com/userfiles/file/mivagukigufirug.pdfIn PDF document text
- https://vokalensemble-vocembalo.ch/userfiles/file/46204924647.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160967abb47afb---jizivevarogu.pdfIn PDF document text
- http://meandnetworking.com/ckfinder/userfiles/files/35281624333.pdfIn PDF document text
- http://forter.vn/hinhanh/file/58576090364.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/67a9fa1c575cd11f41d224e0557dd13c/zojorosibulemenakikopu.pdfIn PDF document text
- http://ladangmimpi.com/contents//files/zumuxa.pdfIn PDF document text
- https://cengilli.com/icerik_images/file/daxazuzi.pdfIn PDF document text
- https://nakipoglugroup.com/upload/ckfinder/files/katojexudivore.pdfIn PDF document text
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/69652be838b12e3f6af0a712401e9d8b/zixukufipebovetono.pdfIn PDF document text
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/374e920763791094f34dd5d610e7d046/61222169633.pdfIn PDF document text
- http://kursadowicz.pl/Upload/file/nidazezutonitojififafo.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/bsnpsog7s44lusiia24ch582fc/zodusulevoluluwugobekogix.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d5dec50f7b---xozesenasima.pdfIn PDF document text
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/e07478d9f0cf17f790405a3e61a4952c/sijiwutitiv.pdfIn PDF document text
- http://allamericannursing.com/userfiles/file/sojerodo.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/38e0b1076b82850b179e46863f1b1d6b/gekodegedizeza.pdfIn PDF document text
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/160750afbb3143---roduvevejaxob.pdfIn PDF document text
- http://sancheonglittletheaters.com/upload/userfiles/2021/07/files/210708014357.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=customs+map+pmc+spawnsPDF link annotation
- 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_off0000f4da.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF4DA	10380 bytes
SHA-256: `4770ef9369cb123ef493c6b40b51d6ee41427e25591c60e9fe7aabb3f9166971`
`font_01_sfnt_off00010c76.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10C76	16400 bytes
SHA-256: `b4c78cc6e5c2960eab4c85e13f7ceeee32fbf3afecd474ad803e35c5d6624684`
`font_02_sfnt_off000122fe.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x122FE	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`

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