Malicious PDF — malware analysis report

Static analysis result for SHA-256 29b5f17eae70f508…

MALICIOUS

PDF

62.5 KB Created: 2020-08-05 04:23:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c09371915b4d6566af4c12b9e6d83279 SHA-1: 2599e1307a1f1f364a00f53115aa174736948f42 SHA-256: 29b5f17eae70f508e4450f7c80863d619a62189b2bcbb9450d4d0b6b4ec7277d
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/pify?keyword=vampire+the+masquerade+anarchs+pdf'. This indicates the document's primary purpose is to redirect users to a malicious site. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning attempt to drive traffic to the malicious redirector. The ML classifier also strongly flagged this PDF as malicious.

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.ru/pify?keyword=vampire+the+masquerade+anarchs+pdf In PDF document text
    • http://files.howshedoesit.com.au/uploads/1/3/0/7/130776015/nibijebotesotapiralo.pdfIn PDF document text
    • http://files.360defensemartialarts.com/uploads/1/3/1/4/131454620/pejosifix.pdfIn PDF document text
    • http://files.byobeez.org/uploads/1/3/0/7/130775484/6795235.pdfIn PDF document text
    • http://files.lilliandaniel.com/uploads/1/3/1/6/131636726/f4cc79121.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7297/0133/files/fedazilarekixoxiji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9544/8999/files/xesitelasisiro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6728/5404/files/62473583082.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2585/8711/files/rogijogadami.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1153/8072/files/74045238435.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5547/1006/files/58945773876.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7217/3733/files/24951528845.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8475/9711/files/92030493692.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6489/3344/files/bibamu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2817/5255/files/31791964733.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4205/4048/files/lowetulozi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/64255738852.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5932/8662/files/tukisajuxoxufowodipoduj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9153/2699/files/mujudat.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000aade.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAADE 5228 bytes
SHA-256: f24a573f8e748b469f363ff6fa273ac38a594d8ce573dc24d144efde5d81c54b
font_01_sfnt_off0000bc74.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBC74 9952 bytes
SHA-256: c3ead624708c2d67ef71ceb9ce6225f4b151fc19d2ced5373228e8099f6fd6dc
font_02_sfnt_off0000de6c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE6C 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e