Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a5692e8194f4c98…

MALICIOUS

PDF

38.4 KB Created: 2020-08-23 07:08:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3cc07cde2d3fc133061351961d0de810 SHA-1: a74dca9ff3e416cf71c187ab2e6080fd849b69d5 SHA-256: 6a5692e8194f4c98e0a6333c980882b8ac727bcc17c4ec1cd686f726874e3098
194 Risk Score

Malware Insights

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

This PDF document contains multiple embedded links that lead to a redirector service, which in turn points to various PDF files hosted on Shopify. The primary redirector URL is https://ttraff.cc/pify?keyword=desi+desi+na+bolya+kar++dj. This suggests a phishing or scam campaign using a link farm to distribute malicious content, likely aiming to trick users into downloading malware or providing sensitive information.

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=desi+desi+na+bolya+kar++dj In PDF document text
    • http://files.gemscene.com/uploads/1/3/2/7/132712333/5866538.pdfIn PDF document text
    • http://nupovi.allendaleunionchapel.com/uploads/1/3/1/3/131384306/lazodenop-betuxivesemosax.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/1/0437/2630/7480/files/algorithms_cheat_sheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/6908/5598/files/16284683834.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2556/1757/files/knowledge_encyclopedia_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2936/4885/files/bronx_zoo_map.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/7400/0798/files/sudabonaveravikezap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3671/0824/files/best_android_phones_2019_cheap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/4076/3030/files/code_alarm_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0432/1184/files/30551339290.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2118/6718/files/tivetelodi.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000501a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x501A 5200 bytes
SHA-256: f458c4e32e71fc04ed6159c2128fa73ca6d9f5d75b2d098d2f36106e17f6ddf9
font_01_sfnt_off000061e0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61E0 13468 bytes
SHA-256: 904c5cd0796e66037fade117b5d3cb95b623d95ade4b1ded9d93ac226ae8bd07

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