Malicious PDF — malware analysis report

Static analysis result for SHA-256 d80981ecaa40045a…

MALICIOUS

PDF

49.9 KB Created: 2020-08-27 18:18:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: aac911f771f451cad9503758171170c0 SHA-1: 473674fb4f16a168d21a54ec0e6867729dff07a2 SHA-256: d80981ecaa40045a26d6b5afc0c27bc9b54d2e50b3003450cb3caf55e11a2cec
194 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many pointing to benign Shopify URLs, but one critical link redirects to known malicious infrastructure at 'ttraff.cc'. The document body, though heavily obfuscated, contains the same malicious URL, suggesting a lure for users seeking 'analytical skills books pdf'. The presence of numerous links and the redirection to a malicious domain strongly indicate a phishing or redirection attack.

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.cc/pify?keyword=analytical+skills+books+pdf In PDF document text
    • http://koriwudi.abellcable.com/uploads/1/3/2/8/132815806/4180883.pdfIn PDF document text
    • http://poletuz.alexandradeglise.com/uploads/1/3/1/1/131164456/681490.pdfIn PDF document text
    • http://files.churchofthelukumi.com/uploads/1/3/2/7/132741397/760033d.pdfIn PDF document text
    • http://fubivare.skateteamindy.com/uploads/1/3/2/3/132303093/f6d1d9cb9afd4be.pdfIn PDF document text
    • http://wiwuto.feedingfamiliesministry.org/uploads/1/3/0/9/130969742/2253451.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/1/0433/5481/6665/files/yamaha_moto_4_200_service_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9502/4033/files/41852342689.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3355/8168/files/zajugivuseruwedorurileve.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4355/2416/files/velekuraj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2207/4534/files/sovofukulew.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2084/5210/files/automobile_parts_description.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2741/4696/files/5419118732.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7780/3931/files/65441067371.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8800/2710/files/32966000450.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_off00008618.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8618 5348 bytes
SHA-256: cac71495c9ed82a491edf8c525ed0d363f2493df1f19336e7545e20b63728dfb
font_01_sfnt_off00009859.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9859 10020 bytes
SHA-256: 628f82384b441986029e6b66064c41b754b3819268ee3dbdb1432049b11c4326

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