Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e0e85c3ed024294…

MALICIOUS

PDF

39.3 KB Created: 2020-08-07 20:30:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: dc8efcb3854ea47302b05ece4e6e3068 SHA-1: f8dac5a7dc8dd3e2c1ebc507cfc0d2bc8db5cfad SHA-256: 8e0e85c3ed024294e87ed9d35506de3feeb0074fc79a738a5c156edafc1c830b
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a redirector service (ttraff.cc) that is known to host malicious content. The document body text and embedded links attempt to trick users into believing they are downloading a legitimate tool for PDF conversion, which is a common social engineering tactic. The ML classifier strongly indicated maliciousness, and the presence of a malicious redirector link confirms a high likelihood of a phishing or malware distribution attempt.

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=adobe+acrobat+professional+7+convert+pdf+to+word In PDF document text
    • http://files.chafyaaymath.com/uploads/1/3/1/8/131856907/c47229fbb1b.pdfIn PDF document text
    • http://madazevad.hoppymeadowsrabbitry.com/uploads/1/3/0/8/130873951/b40d5b124.pdfIn PDF document text
    • http://files.dependabullbulldogs.com/uploads/1/3/1/4/131437977/b43ae737a7c933e.pdfIn PDF document text
    • http://files.naomibellina.com/uploads/1/3/1/3/131378932/5605940.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/1/0434/3988/2402/files/87053191011.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2651/4077/files/59589665163.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6104/2591/files/get_apk_from_android.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7752/4888/files/redagegitegad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8992/9116/files/95142179713.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lorirazapevimixawas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5381/7762/files/xifukefepalelova.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9127/0563/files/28624276504.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zixetirubopejama.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0660/5987/files/dazaxanuwetewaw.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 3

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_off00005af8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5AF8 5512 bytes
SHA-256: 4c8bed68c9d5f7abe5fdaaea83f4ce8ce83a8e80eddbc0ac39bbcf9d7d33d6fd
font_01_sfnt_off00006de2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DE2 10024 bytes
SHA-256: 9a0580e1ec5db54802d9dfa46961f95af5a8b1797bf60e55c700fa69556160be

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