Malicious PDF — malware analysis report

Static analysis result for SHA-256 3fd98fc025012267…

MALICIOUS

PDF

41.8 KB Created: 2020-08-07 20:41:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: dd0f06b7348448a94d3b5dbca501906e SHA-1: 6513f09d01879179ae961cddf0c1f15557210ba8 SHA-256: 3fd98fc025012267172c1cfbff5227b792ac93bcf6c7d97f64cd697fe52d3ce4
214 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One of these links, 'https://ttraff.ru/pify?keyword=burial+rites+online+pdf', is identified as a malicious redirector. The document body also contains text related to 'Burial rites online pdf', suggesting a lure to trick users into accessing potentially malicious content. The presence of numerous external links and a malicious redirector indicates an attempt to lead the user to a harmful destination.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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=burial+rites+online+pdf In PDF document text
    • http://files.neetgardner.com/uploads/1/3/1/6/131607712/b7fad659.pdfIn PDF document text
    • http://files.architectureindetail.com/uploads/1/3/1/0/131070581/pabeza.pdfIn PDF document text
    • http://files.massagerevelstokeayla.com/uploads/1/3/1/4/131483097/tipepemusifip_kotodogenagapon.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/1/0434/9421/1750/files/lupe_fiasco_daydreamin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/6453/9798/files/53279490149.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7990/9028/files/40581923694.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5932/8662/files/93785439772.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6090/3582/files/15313995263.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6241/9863/files/jumijo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6404/9318/files/30734811358.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kemulubu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0041/2835/files/autonomous_maintenance_steps.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9732/5732/files/rodumupifopuxutatukib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9735/7472/files/xodavomotexafolisepud.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_off00006574.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6574 5084 bytes
SHA-256: 1d2fe0655ab89fdefb60fec46fc1b1cfdd6737dcdb1b02b30c0ab3abeaee28d7
font_01_sfnt_off000076ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76CE 10536 bytes
SHA-256: a1abdd61e986f049ef863f9856a081233e39dbea7596b707b3238f5cfe66e044