Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7d47ec975b2f08d…

MALICIOUS

PDF

41.3 KB Created: 2020-08-03 17:11:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f8f0380328b07f1cc022e9f22c5d0ca3 SHA-1: fa1a2e015acae8f25dec001db1706a797674fdf0 SHA-256: c7d47ec975b2f08d8701e5cce822330afde1fb562a2c9b5c03c259ba4f247556
194 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, but one critical link directs to a known malicious redirector at ttraff.com. The document body, though heavily obfuscated, contains the same malicious URL and references to PDF files, suggesting a link farm or SEO poisoning tactic. The ML classifier strongly indicated maliciousness, supporting the presence of a malicious redirector.

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=cubital+tunnel+syndrome+stretches+pdf In PDF document text
    • http://files.tfamartists.ca/uploads/1/3/1/4/131437689/vuzikopikaxub.pdfIn PDF document text
    • http://files.jackiedeephotography.com/uploads/1/3/1/1/131163953/sefofejos.pdfIn PDF document text
    • http://files.iniic.com/uploads/1/3/0/7/130776255/sunatifobijofuv.pdfIn PDF document text
    • http://files.bradyscustomwoodcraft.com/uploads/1/3/0/8/130813042/3b34fec7.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/1/0431/5290/0250/files/84699792886.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9020/5090/files/wipe_me_down_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7201/9877/files/dotomoxulisirijijep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1913/1285/files/6675730369.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4047/2229/files/12125721480.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7433/8472/files/76629637901.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4746/1788/files/wulexepikon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8342/3128/files/finanesozitilanulonuvuzag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5655/4394/files/85046615299.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1385/7692/files/69886811451.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5673/4109/files/33719916663.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8119/5927/files/phoenix_az_zip_code_map.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4686/3005/files/94213073733.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_off0000646a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x646A 5540 bytes
SHA-256: 5d48b3a5b5d13c2593b2d741f392591442cc2accb1c75e8b45237defe4e6491f
font_01_sfnt_off0000770e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x770E 9896 bytes
SHA-256: 63cd429c20ddbf5d97cd308c0a93312caed005670186544a87b2fbc48f4f1573

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