PDF malware analysis — malicious · 6e55c7db8835d9e1

MALICIOUS

PDF

76.6 KB Created: 2021-03-13 18:45:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 469ccf8effee1c76945e048d83c92bd7 SHA-1: da91fb4982d7bede8f72374b526dc840d89e720f SHA-256: 6e55c7db8835d9e11fb415a36f8a3f03deb0c201c90ec7a279a6f366bde958c1

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that directs users to a suspicious domain, likely as part of a phishing or scam campaign. The ML classifier and ClamAV detection strongly indicate malicious intent. No scripts were extracted, but the presence of a malicious URL is sufficient to infer a phishing attack pattern.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 4

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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://seumenha.ru/wix?keyword=jj+did+tie+buckle+meaning
- https://cdn.sqhk.co/rogenujudita/gh7hche/4442638841.pdf
- https://cdn.sqhk.co/nomitusibop/dhiieha/kung_fu_panda_game_level_zero.pdf
- https://cdn.sqhk.co/fudimesa/1Bhikk9/36449592898.pdf
- https://static.s123-cdn-static.com/uploads/4378848/normal_5fcf49c901a36.pdf
- https://static.s123-cdn-static.com/uploads/4406454/normal_5fcca7737a7b8.pdf
- https://static.s123-cdn-static.com/uploads/4379053/normal_5fc953d069330.pdf
- http://pililiriniru.mypressonline.com/lirekufezufapaxivu.pdf
- https://cdn-cms.f-static.net/uploads/4419851/normal_6045fe3d91ece.pdf
- https://cdn-cms.f-static.net/uploads/4446026/normal_601aaa4cc3d94.pdf
- http://lezigovedavide.getenjoyment.net/bbg_free_workout.pdf
- https://cdn-cms.f-static.net/uploads/4389085/normal_6018885c08c5a.pdf
- https://cdn-cms.f-static.net/uploads/4384470/normal_602a122a23d60.pdf
- https://cdn-cms.f-static.net/uploads/4425484/normal_5fd2ccde285a1.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/radubozufiwo/definition_of_web_browser.pdf
- https://s3.amazonaws.com/pajukovuxetu/95098605641.pdf
- https://af1bea64-f5cd-41c2-a7c1-97f21c1aa057.filesusr.com/ugd/592671_d8ff31ad1523428ba5914d44314fd0af.pdf?index=true
- https://s3.amazonaws.com/mokamoba/todamedugekonurixi.pdf
- https://9b08d158-0e0f-4203-9b31-e1272d977b1c.filesusr.com/ugd/086daf_a5f491e86ef3405cb5e2bf3faf95e5d5.pdf?index=true
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000eed3.bin` `3f3570b10c977b89676c14b85ac3cb21f204db2eb9c4a674b5ff6097d1ec5e5d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEED3	5252 bytes
`font_01_sfnt_off000100a6.bin` `c927ccec6981b30550bdbc7fe8889637f0443dd66d212a9dd925c4f49a1c235d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x100A6	10740 bytes

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