Malicious PDF — malware analysis report

Static analysis result for SHA-256 4910be3874b5f649…

MALICIOUS

PDF

38.7 KB Created: 2020-08-09 10:32:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 9597ef69f0c8bc6546efc8d5d6891488 SHA-1: 8224978e0975c24b4c424dd54daa9005e5bc5b6f SHA-256: 4910be3874b5f64928394f8fd9bc6dee07fa133390e35761dee542d8d71ae3c3
202 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 pointing to Shopify domains, which is characteristic of a link farm. One critical heuristic identified a redirector link to 'ttraff.com', indicating a malicious redirection attempt. The document body, though heavily obfuscated, contains the same URL, suggesting it's the primary lure. The presence of numerous benign-looking Shopify links likely serves to obscure the malicious redirector.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=your+baby+week+by+week+simone+cave+pdf In PDF document text
    • http://files.myprovidenceconstruction.com/uploads/1/3/0/7/130738993/b3a14aee0a2de7.pdfIn PDF document text
    • http://zokig.saintgabriels.org/uploads/1/3/1/8/131871674/225541.pdfIn PDF document text
    • http://files.theeclecticcats.com/uploads/1/3/1/6/131636954/aa689dc7.pdfIn PDF document text
    • http://files.thedoorsandiego.com/uploads/1/3/1/8/131856276/6d1fc4b56.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/1/0432/1725/6605/files/bizejaridune.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8691/3431/files/42678531375.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0288/8351/files/zopebokudamiso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5165/6102/files/sogutanowa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2182/0326/files/sowobazoluvaxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4134/2108/files/37788165149.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1883/0503/files/79049861185.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7556/7770/files/denabedezebidukukokasuxuw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6971/8182/files/47282017359.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4383/9385/files/40718600563.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0018/4477/files/mufeluzunagodise.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 8

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_off000056a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x56A3 5688 bytes
SHA-256: 915b3fd471f529f9bfbbe5c67ae79c4a8004e536f53e0c9aadf8161b435863a8
font_01_sfnt_off00006a0c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A0C 10560 bytes
SHA-256: 7df55a78f31b3a27e7c156ccf0b631d97a233c5e1cbba3a6db6b6426a7438f36

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