Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d1205a940d5ff84…

MALICIOUS

PDF

78.2 KB Created: 2020-08-09 09:09:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 46909b1956f9779079015f2a35542d09 SHA-1: a2bc78898c0c844ca9879299a44139ed81fe6963 SHA-256: 3d1205a940d5ff84e7ffd4036c2f74cc5f04fe82413bd9b4f9a270504cb5e65f
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.com/pify?keyword=karl+marx+18+brumaire+pdf'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many of which point to Shopify domains. The document body, though heavily obfuscated, contains the same malicious URL. This suggests a coordinated effort to lure users to a malicious site.

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=karl+marx+18+brumaire+pdf In PDF document text
    • http://files.mrsbsmusicclass.com/uploads/1/3/0/9/130969965/sagamaxusinidureri.pdfIn PDF document text
    • http://gokevu.chrisgriffithdesigns.com/uploads/1/3/1/3/131383664/96fd0.pdfIn PDF document text
    • http://files.fussfreefunerals.com/uploads/1/3/1/4/131437755/6482314.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/1/0435/8848/5288/files/eros_ny_tstv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4430/7098/files/javawasawunimafeneperu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1121/0398/files/87906048562.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5937/2439/files/30697155944.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5750/4668/files/44779913769.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3080/5671/files/xekibexelekifeki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0978/5512/files/2_chainz_crack_mp3_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3942/4669/files/fotexetix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zotogobujadafozafinuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2513/5776/files/dexapipifixom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3032/2071/files/zurobojomesonopovijulupex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1437/4047/files/29085841893.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3484/4059/files/rutosomasukula.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 4

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_off0000f3aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF3AA 5432 bytes
SHA-256: 66d0bc18d5e1cd330e7d00824799c88ad3d5477a146160848f414237c18050aa
font_01_sfnt_off00010616.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10616 11184 bytes
SHA-256: 09d74aee6d4c423b9c377e0a7dae9f60d87c5de468ca40436cbafa1b658b6d3e

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