PDF malware analysis — malicious · 9fd213dde2355d89

MALICIOUS

PDF

72.6 KB Created: 2021-05-29 09:16:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27

MD5: bafb638bded0585f8d18611c5d81f827 SHA-1: ec2c42059ba4699bf44ada86d453d1e9eac381fc SHA-256: 9fd213dde2355d897278a070bddaf50857fee99b852497a8ef7d12e76e955821

184 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document functions as a link farm, directing users to download other PDF files under the guise of providing free movie downloads. The presence of numerous external links, many hosted on disposable domains, and the ClamAV detection as 'Pdf.Phishing.Trojan' strongly indicate a phishing or malware distribution attempt. The document's content and structure are designed to deceive users into clicking malicious links.

Machine Learning

Nyx PDF Classifier malicious score 0.7662

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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://baarspo.ru/strik?utm_term=telecharger+les+films+sur+utorrent+gratuit PDF link annotation
- https://vatuwogumim.weebly.com/uploads/1/3/4/6/134605764/noril-vudadabimosifot.pdfIn PDF document text
- https://zegaturivelegob.weebly.com/uploads/1/3/1/4/131437779/vezuziripakuwa.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4491439/normal_5fe28718e9f74.pdfIn PDF document text
- https://somejokal.weebly.com/uploads/1/3/4/4/134494219/wakufovopetefalup.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414352/normal_60311d80d36e9.pdfIn PDF document text
- https://kipofazusaf.weebly.com/uploads/1/3/1/3/131379409/zidabej.pdfIn PDF document text
- https://fafetomipisiso.weebly.com/uploads/1/3/4/6/134603542/9946024.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393018/normal_603934a073527.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4415946/normal_60074e9197ebc.pdfIn PDF document text
- https://gawajofanobovap.weebly.com/uploads/1/3/5/2/135296378/tiwoko.pdfIn PDF document text
- https://giruveme.weebly.com/uploads/1/3/4/4/134480937/0e180c5fbc.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4458837/normal_6007690081c52.pdfIn PDF document text
- https://boguvetasitob.weebly.com/uploads/1/3/1/3/131380850/nukegeripoke.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4406785/normal_605a025f141ba.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383165/normal_603ea5947d46a.pdfIn PDF document text
- https://ropemobajakim.weebly.com/uploads/1/3/4/6/134694841/paxawisepemuguf.pdfIn PDF document text
- https://dexugagemer.weebly.com/uploads/1/3/4/7/134715037/poxaz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000eed5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEED5	5244 bytes
SHA-256: `97b7280e2a91703d228b322af2b3a4bc3d046f2e2b85d3d010ba33da8a11f315`
`font_01_sfnt_off0001007a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1007A	1936 bytes
SHA-256: `cf50d13c5c21d2e34fba0d9dd21119d4839fc35fdaebfe62cbacf51850cc328d`

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