Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3ba69c8600a1ff1…

MALICIOUS

PDF

40.1 KB Created: 2020-08-22 05:53:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 44f9c636ea374e050237ffdf04e8d7b5 SHA-1: bd824d4ab7e46893f64a6851971b501bf35aae37 SHA-256: d3ba69c8600a1ff1fc3d4df65d962e9b67685ebed7df0d1ce7feeed042f6ed7f
194 Risk Score

Malware Insights

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

The PDF file was identified as malicious due to a critical heuristic firing for a malicious redirector link. The document body contains numerous embedded URLs, including a primary malicious link to 'ttraff.ru' and a large number of other links hosted on 'cdn.shopify.com' and other domains, suggesting a link farm or redirection strategy. The presence of a malicious redirector link indicates an attempt to lead the user to a harmful destination, likely for phishing or malware delivery.

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=bobrick+b-+2111+pdf In PDF document text
    • http://segufun.drghs.org/uploads/1/3/0/8/130874493/bbfa8297b423d5.pdfIn PDF document text
    • http://files.nikolephoto.com/uploads/1/3/1/3/131383297/ritijigo_ganedeposiku_resoritured_nalijosoni.pdfIn PDF document text
    • http://tumemele.gpanm.org/uploads/1/3/1/4/131453060/sokaroduz_gidil.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/1/0431/2183/6193/files/ancient_china_timeline.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9145/1294/files/gokofe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8602/7677/files/femorixesobi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4843/5861/files/21848404668.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2227/7032/files/96671476980.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9627/6128/files/30217346435.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3696/7063/files/fallout_mod_manager_new_vegas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7318/2625/files/bagan_pagodas_history.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0476/4068/files/jejofizejulakifabege.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7243/8947/files/8878653354.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7342/0965/files/16346010808.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 2

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_off0000544f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x544F 5200 bytes
SHA-256: a00333debb0261c0fd83e657f83eb99ccce7f6521e7c82de1cf4f183e126cb0a
font_01_sfnt_off00006616.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6616 14552 bytes
SHA-256: ad27d5c01a5d89a518d0a11faaa77ccf2100fac60f6f324465846e1465b91c49

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