Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e26d09ca2b0fe22…

MALICIOUS

PDF

52.6 KB Created: 2020-08-22 00:55:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 327923b485910a7f198bbb407ab79e50 SHA-1: 0f1a77de3e1d7e16e1c7fbebc10195053b1637a4 SHA-256: 6e26d09ca2b0fe22fceae412c430d623ec63c6e4cbc7218c45fa3803200bc88e
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains multiple links, including one to a known malicious redirector (ttraff.com) that is disguised as a video call recorder app download. This suggests a phishing or social engineering attempt to trick users into downloading malware. The presence of numerous other PDF links also indicates a potential link farm for SEO manipulation, further supporting a malicious intent.

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=video+call+recorder+app+apk In PDF document text
    • http://files.duckinn.co.uk/uploads/1/3/1/3/131380504/339f4e5ffbc990.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/1/0436/7400/9753/files/depiwe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1278/4277/files/59746929758.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2499/0887/files/68833928908.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8264/5665/files/gofen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7640/2854/files/geleperob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0705/7825/files/jesuzivemek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/5628/2265/files/wagig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1030/7749/files/kagarabamo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0663/7726/files/keratoconus_diagnosis.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000070da.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70DA 4916 bytes
SHA-256: 5b33129aef6c3591c6efde0f1d29013244767ff6c9252fe3673bf2ff20307727
font_01_sfnt_off0000819a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x819A 1872 bytes
SHA-256: 84250fe9e973baedab93eecef39c5d043b5b1dce11988f7c448fdffff1fe7a3e
font_02_sfnt_off00008aa7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8AA7 10792 bytes
SHA-256: cf9d00083208af2d5c791ed23521bcd77aadf37623b6963b56ced1c8c4b0e0da
font_03_sfnt_off0000afca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAFCA 16164 bytes
SHA-256: e296a61d2d303e35be9e1a35631556663d2780498efa7e8f3867bf557f172fe6

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