Malicious PDF — malware analysis report

Static analysis result for SHA-256 14c6e497eafe9cc6…

MALICIOUS

PDF

44.5 KB Created: 2020-08-20 23:24:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a2d4dcd3f7ad470ba0b320e1d21c2edc SHA-1: 5a261df8f555f79ee8bdcfc087c24a7d5eb84d75 SHA-256: 14c6e497eafe9cc6dcbf669d159340b341b7f66a4a1e7bb5fd59b5d1a564d156
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one prominently redirecting to a known malicious domain (ttraff.com) via a 'pify' redirector. This suggests a phishing or scam attempt disguised as a free download, leveraging SEO tactics to appear legitimate. The ML classifier also strongly indicated maliciousness.

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=aladdin+ost+2019 In PDF document text
    • http://fepuriso.bakerlg.com/uploads/1/3/1/3/131379706/rikufalagukafofol.pdfIn PDF document text
    • http://files.lsttclub.org/uploads/1/3/1/1/131164424/8876721.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/1/0437/3177/9745/files/acid_bases_and_salts_class_9_notes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6454/0835/files/understanding_culture_society_and_politics_grade_11_teachers_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/6777/2821/files/lng_bunkering_market.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6579/4965/files/gikoputixiju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5247/4267/files/10705357336.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9147/6133/files/48190084115.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9676/8673/files/nilelujedudazarikaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/7645/8398/files/intel_bios_update.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2859/4336/files/31286652213.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0679/4651/files/71257038723.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4472/4133/files/tevefogaragilune.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3173/2119/files/sociocultural_theory.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2312/2084/files/33835403077.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 1

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_off000070e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70E3 5196 bytes
SHA-256: 56bdc9e14dc74b19d793a3f7b934e0b482cdbf328f452d3f4fd6b15a6241f4fd
font_01_sfnt_off0000829b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x829B 10192 bytes
SHA-256: 9f4902d8ca5c9b38e6a760bd6211b5c7a34fcd7d9da51d5889fad4703290686f

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