Malicious PDF — malware analysis report

Static analysis result for SHA-256 45941011e9283248…

MALICIOUS

PDF

40.5 KB Created: 2020-08-06 00:43:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: cd3609a8287d4c042f1b0365fad80458 SHA-1: 16feb26347a0fe78886858a6e9d4d04306eb6e47 SHA-256: 45941011e9283248312d1e47db9bcd15fe910325afa6e6262cc98cde80b0a94c
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. The document body itself is heavily obfuscated but contains the URL 'https://ttraff.cc/wb?keyword=resume%20atomistique%20pdf%20mpsi', suggesting a lure to a phishing or malware site. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm designed to distribute malicious content. No scripts were extracted, but the primary attack vector appears to be social engineering via a malicious link.

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/wb?keyword=resume%20atomistique%20pdf%20mpsi In PDF document text
    • http://files.phoneangelrepair.com/uploads/1/3/0/7/130775856/tosalajanag-vijiwobuto.pdfIn PDF document text
    • http://files.buildingourtomorrow.org/uploads/1/3/2/6/132695194/xabibovul.pdfIn PDF document text
    • http://sutowoma.foreveryoungstudio77.com/uploads/1/3/2/6/132681559/5984179.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/1/0430/2356/4957/files/98652315070.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0155/1771/files/gozexemagogejelulipokewa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8859/3571/files/neletozawagonijajukipi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4610/8312/files/26326230491.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8772/2648/files/sanford_guide_to_antimicrobial_therapy_2016.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1324/2014/files/muslim_girl_names_with_meaning_in_urdu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2426/1026/files/37465326882.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7142/2102/files/borame.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57790570823.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4207/8877/files/muvapubojat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7687/7478/files/deniniji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7994/0761/files/jimudivak.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 6

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_off00005ea8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EA8 5192 bytes
SHA-256: c0f9b5fc33b5aad7c09c716384bb12976398bf81a855bfb073115c6d5be924b3
font_01_sfnt_off00007044.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7044 10700 bytes
SHA-256: 91139494e54b4b731849ed99881abe406c996ef9f7b913e07c777c3a862f5fee

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