Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e96f5dc4ab51f62…

MALICIOUS

PDF

54.0 KB Created: 2020-11-06 05:27:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1b1a310c1dad5aa64cb4f8ca9b651b33 SHA-1: 74f81e290ce98c2f1781d4ed59d7506292517cbb SHA-256: 6e96f5dc4ab51f62cf2cbb92e1ed3aa468502e1341b2f423fbf58828cc5727fa
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains a large number of external links, many pointing to other PDF files, suggesting a link farm or SEO spam campaign. The primary URL, https://traffking.ru/strik?keyword=how+to+find+the+message+id+on+discord, is likely intended to drive traffic to a malicious or spam website. While no scripts were explicitly extracted, the PDF structure and extensive URL usage are indicative of malicious intent, possibly related to SEO manipulation or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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://traffking.ru/strik?keyword=how+to+find+the+message+id+on+discord
    • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/tiladejonu.pdf
    • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/zutilipevozafeguwu.pdf
    • https://cdn-cms.f-static.net/uploads/4379486/normal_5fa497aadd8cc.pdf
    • https://cdn-cms.f-static.net/uploads/4371788/normal_5f9775e9b1749.pdf
    • https://zeburunonuf.weebly.com/uploads/1/3/4/4/134458398/9a21042d0d7db9a.pdf
    • https://cdn-cms.f-static.net/uploads/4373508/normal_5f97a979c4110.pdf
    • https://cdn-cms.f-static.net/uploads/4417536/normal_5f9e2f742692d.pdf
    • https://cdn-cms.f-static.net/uploads/4369334/normal_5f8d258ca442b.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/ragejufa/97420006141.pdf
    • https://s3.amazonaws.com/patotale/19839098237.pdf
    • https://uploads.strikinglycdn.com/files/fcc2f60b-3be3-4f74-8bde-59180fa65246/zizurekomalipewosepapod.pdf
    • https://uploads.strikinglycdn.com/files/eb26a228-99b2-4917-bd5a-081c022a8f39/nikkormat_ftn_specs.pdf
    • 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.

FilenameKindSourceSize
font_00_sfnt_off00009196.bin
199e2735ac7372a63f2db4db62b079f4cdeab648fd08bbd4fcf6b8698458ecf3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9196 5456 bytes
font_01_sfnt_off0000a413.bin
5267628612aa8be6e9e18bed1533b20ea64a12e88c87ce313c79f69919a288f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA413 11484 bytes

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