Malicious PDF — malware analysis report

Static analysis result for SHA-256 b05987e7fd09fa03…

MALICIOUS

PDF

43.5 KB Created: 2020-08-24 16:17:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 08850572ec0022d64dbeb38f4e74d9ec SHA-1: 84193de84a4dd23e69a0266e3d4b220e8cc82b42 SHA-256: b05987e7fd09fa037f38bcbd84905d136715be80e374970d022a13f67d84d255
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'Adobe after effects 3d templates free' and the malicious URL, suggesting a lure for users to download something. The presence of numerous embedded links, many pointing to Shopify, further supports the link farm and redirection attack pattern. The ML classifier also strongly indicated maliciousness.

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.com/pify?keyword=adobe+after+effects+3d+templates+free In PDF document text
    • http://files.dptrackandfield.org/uploads/1/3/1/4/131483254/semizex.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/1/0440/1060/2661/files/systematic_review_handbook.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6055/1070/files/libupo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1682/2692/files/zotupuripubonojibokebiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/7873/4239/files/power_bodybuilding_routine.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/8544/7587/files/akeeba_backup_joomla_1._5.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5063/8241/files/start_up_disks.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8957/6601/files/77586632344.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/4727/5931/files/vantage_pro2_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0899/1125/files/69955952486.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4496/1442/files/58293911681.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7505/1424/files/buvozivelop.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 3

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_off00006bf7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BF7 5592 bytes
SHA-256: 09002972034fa6b24da631f6303c4bee6d550b31ee2d68a2220e03a3cac123f5
font_01_sfnt_off00007edd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7EDD 10120 bytes
SHA-256: 3a3fbaeeeb5b72bb29098db71407c9ee3629ce5f4debe41f15e38a8113293c13

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