PDF malware analysis — malicious · aed95e40caf38d7c

MALICIOUS

PDF

83.2 KB Created: 2021-08-06 12:00:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-12

MD5: fa95d8c3a95fa01e6b31cef09d4f4af4 SHA-1: 5b294c30d499fb4d5528919fa8089ec38a57fd0a SHA-256: aed95e40caf38d7cd5b69342c01b5e5296e776a628cd0e8f9a86a2e5d1cc72a7

156 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. The PDF structure itself appears to be a link farm, designed to redirect users to potentially harmful external resources.

Machine Learning

Nyx PDF Classifier malicious score 0.9974

Heuristics 6

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
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 http://orbitsecurity.qa/pro_mvp_tech/uploads/file/1214687307.pdf In PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/iocli551hqp4sjeddh53865o12/42768150244.pdfIn PDF document text
- https://gachbinhduong.com/upload/file/30331439588.pdfIn PDF document text
- https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/3349b149c6fe44d08d2cbb23aade1bda/36276831416.pdfIn PDF document text
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610a8e7f23957---kururesugededojov.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c584e3e1966---zebem.pdfIn PDF document text
- http://energo-winstal.pl/userfiles/file/95236934936.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160d2d880e3e41---37340554470.pdfIn PDF document text
- http://madveras.com/ckfinder/userfiles/files/pabobeluzidole.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/icogfcmfm4nbrtpj1ep2hr8vpk/jizalelumunitezepizurow.pdfIn PDF document text
- http://schule.havonix.com/ckfinder/userfiles/files/jikevenikamokegejumemiru.pdfIn PDF document text
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8f40af464---xenowegego.pdfIn PDF document text
- https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/a171f0e3877ae1106034681728d086e9/8728916223.pdfIn PDF document text
- https://optimustelecoms.com/ckfinder/userfiles/files/3522261163.pdfIn PDF document text
- http://domgr11.ru/uploads/files/45779912666.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a045e45ebef---91037863357.pdfIn PDF document text
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7aaf6a3673---ribuv.pdfIn PDF document text
- https://artbynela.com/uploads/file/67316518480.pdfIn PDF document text
- http://fotografieindex.nl/images/uploads/rular.pdfIn PDF document text
- http://ackerviewguesthouse.com/userfiles/file/mutomub.pdfIn PDF document text
- http://isitekmuhendislik.com/userfiles/file/45528984431.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1610c87373d21e---jijapiwiborikigexasa.pdfIn PDF document text
- http://novussiteyonetimi.com/uploads/file/31758464419.pdfIn PDF document text
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/4c67bdb9539fb9ca01057994a3c17ea7/mariborigamidorixoxa.pdfIn PDF document text
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/52dlgb43hkoclsh98b8thhm2u3/mifetuvowiwalul.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=english+analogies+mcqs+pdfPDF 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_off0000e302.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE302	16544 bytes
SHA-256: `804d10bb5b2d709522568edf52407e05d11fe30ff47cb5611313787768ef841a`
`font_01_sfnt_off00010e31.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10E31	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off00012648.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12648	11000 bytes
SHA-256: `2f846816f720799fb643a26525f12ef5681fbed46f29e3828001fb2834ba1128`

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