Malicious PDF — malware analysis report

Static analysis result for SHA-256 c54dbbe961e9a2bf…

MALICIOUS

PDF

39.8 KB Created: 2020-08-24 15:02:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c7fd43ba6845f646303d7f69e1a925a7 SHA-1: 6f2b7dddd05de7dbea805ab13e94ee5388694bff SHA-256: c54dbbe961e9a2bf90c082e2aab7278bc282598d3256a731422910480dceb7b5
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=veal+liver+nutrition+information', suggesting a lure to a phishing or malware distribution site. The presence of a link farm further indicates malicious intent to distribute content or traffic.

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=veal+liver+nutrition+information In PDF document text
    • http://files.mrgona.com/uploads/1/3/1/3/131381374/f1c63de.pdfIn PDF document text
    • http://zorexipuf.animajewelry.com/uploads/1/3/2/6/132680955/jofuxemupapafizixaxu.pdfIn PDF document text
    • http://files.pandawelding.com/uploads/1/3/2/6/132680974/vevuporofos_xuwibif.pdfIn PDF document text
    • http://files.makahisland.com/uploads/1/3/1/4/131453623/kubotuwel_duweb_zewumike.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/1/0431/4556/0219/files/90447373268.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1230/8637/files/cie_igcse_chemistry_revision_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5942/0063/files/damovilopuru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0041/4883/files/right_to_information_amendment_act_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9174/5175/files/autocad_learn.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4976/3494/files/gonidofupiluli.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1375/7339/files/texipokapirezo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0461/9485/1993/files/dexefiledipel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9243/5359/files/aldous_huxley_obras.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8402/1921/files/34222015020.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_off000060af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60AF 4760 bytes
SHA-256: d052be482ed857ce468762617e36af248d87ca0c2788c27cde74effd71ba327f
font_01_sfnt_off000070d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70D0 9832 bytes
SHA-256: 692ac33b802d4dcc3669ec6afba7f208052a8e23310d4069e0af6f6924f0a653

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