Malicious PDF — malware analysis report

Static analysis result for SHA-256 5f69c2225b80b22c…

MALICIOUS

PDF

42.0 KB Created: 2020-08-13 23:31:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c66acbe59a9b8227e6ec93a553c768b2 SHA-1: 78098192d4832d46ec4e50b0428f868f5b3a0f58 SHA-256: 5f69c2225b80b22c177e14d053f25655a9839c8a09d7103231f76561660b94bf
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains a link farm designed to redirect users to malicious infrastructure, specifically identified as a redirector at 'https://ttraff.cc/pify?keyword=workforce+diversity+policy+template'. This suggests a phishing or scam attempt, likely leveraging a lure related to workforce diversity policies. The ML classifier strongly supports the malicious verdict, and the presence of numerous external links points to a coordinated effort to distribute malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://ttraff.cc/pify?keyword=workforce+diversity+policy+template In PDF document text
    • http://files.spinninpolestudio.com/uploads/1/3/0/9/130969390/3567937.pdfIn PDF document text
    • http://files.k911tacticalcare.com/uploads/1/3/1/3/131383512/3287548.pdfIn PDF document text
    • http://nuvalax.lyraphotography.net/uploads/1/3/1/6/131637047/fidukipeg.pdfIn PDF document text
    • http://files.chalmerslondon.com/uploads/1/3/1/4/131414743/9045763.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2191/7598/files/50959147060.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7956/4448/files/93578024136.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5449/6935/files/roxetosupesi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3459/7784/files/menatavogebonumu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2639/0951/files/xosaboxixetozuvodipabu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6031/3768/files/water_pollution_essay_in_bengali.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1663/2992/files/stanley_myers_cavatina_piano.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5324/3806/files/40984233898.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9143/5422/files/65885412792.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2312/2077/files/fimarufobokogimopelidivaw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6772/8281/files/58132823150.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5540/7511/files/wonadivabi.pdfIn PDF document text
    • 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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000066e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66E4 5540 bytes
SHA-256: 42dec3f38822a1c7657d97e5b6d2a594f5e99f2067b99956e266867341a179ee
font_01_sfnt_off000079c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x79C3 9820 bytes
SHA-256: da0d0dec8303ccff8a9b12525ee8ca165c89542a1640ffe7d33f29070673e399