Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d3fbb239c3eeb45…

MALICIOUS

PDF

41.2 KB Created: 2020-08-15 07:25:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 27ab2d3c2bbfb12847e60ee6a2e06022 SHA-1: c9da0df8447711ad35b38c14ffc257472a6598e0 SHA-256: 3d3fbb239c3eeb458a29a649c29f10cd4fc9262fa8113a8ea2c948cb223551a1
194 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.com, which is likely used to funnel victims to a phishing or malware distribution site. The document body, though heavily obfuscated, contains the target URL and a large number of other URLs hosted on Shopify, suggesting a link farm or content stuffing technique to improve search engine ranking and visibility. The ML classifier 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=frostbitten+wow+achievement+guide In PDF document text
    • http://files.movingtosantodomingo.com/uploads/1/3/1/4/131406036/pepidekiriso.pdfIn PDF document text
    • http://japazaj.thejuicingstation.com/uploads/1/3/0/7/130776401/211b8.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/1/0437/1978/6645/files/94657686468.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0591/0933/files/68563186006.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8166/2613/files/wipulifebisi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2177/7570/files/happy_new_year_film_tamil_song.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3340/2266/files/7499197928.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9238/5700/files/movagoz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7795/7800/files/62360577177.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6243/5739/files/77071991423.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9956/9829/files/zurufobugaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7573/9560/files/kowud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0013/3793/files/5816697795.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_off0000617a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x617A 5568 bytes
SHA-256: bcafb1dbffce01a6c61d12cd0781b344a459d4caf6e41521df717c9de152b1ae
font_01_sfnt_off0000744d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x744D 10624 bytes
SHA-256: b9f7d61004183f1e3ca59d579d78e2acd57a07e8e2cb75ce8deaa708104e3775

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