Malicious PDF — malware analysis report

Static analysis result for SHA-256 fade8c6c9ce41ac3…

MALICIOUS

PDF

41.6 KB Created: 2020-08-05 23:29:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c701d9e718533c6612246cdbc760f4a4 SHA-1: 24726b151fc3fa7605d9504a5fae9bc6c25d3cf3 SHA-256: fade8c6c9ce41ac3944c143159ec2d238b83328a13613db1b28e073010673cbf
194 Risk Score

Malware Insights

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

The PDF contains a deceptive title related to muscle building workouts, but the primary malicious functionality is a redirector link. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK indicates that the embedded URL https://ttraff.cc/pify?keyword=muscle+building+workout+pdf leads to known malicious infrastructure. Additionally, the PDF_SEO_LINK_FARM heuristic indicates a large number of external links, many pointing to shopify.com, suggesting a link farm used for SEO poisoning or distributing further malicious content.

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=muscle+building+workout+pdf In PDF document text
    • http://files.nhsoulstudies.com/uploads/1/3/1/8/131856330/6672686.pdfIn PDF document text
    • http://files.colhenryart.net/uploads/1/3/0/8/130874489/6919478.pdfIn PDF document text
    • http://files.shopcountinghouse.com/uploads/1/3/0/8/130813364/tovizaraseku.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/1/0434/7812/2649/files/nijuzofesuzonalol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5153/2963/files/mitesafikimumikuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bodadajigewodozisidezufe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8692/0347/files/19959209885.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9703/0817/files/6291857.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/6794/7673/files/fuck_it_eamon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4964/7261/files/vivotiwavibokaxunufan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3646/5559/files/elements_of_photogrammetry_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6985/7176/files/82973989580.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2960/0155/files/mgk_till_i_die.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9958/4664/files/65156244310.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6385/2708/files/77352202526.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
🗂 Part of campaign: alexanderecology.com 7 samples

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_off0000645f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x645F 5412 bytes
SHA-256: 0a88ebeca3978d270cde615e9579206bf278bbbe0ea07a2333d8b23c164e5571
font_01_sfnt_off000076f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76F5 10148 bytes
SHA-256: 61eaa16d4a0a080b816a9a242788052dbf31fd19ced177094d82ad4f2822304e

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