Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e9ff43b7f293609…

MALICIOUS

PDF

52.3 KB Created: 2020-08-07 12:44:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f6c26c69a08706baf914531044c4b161 SHA-1: 7b6142e3fa0d9deb3c92e1c45e9f29c6c4169d7b SHA-256: 3e9ff43b7f29360928cc59121a0f538d2f8fc5d826dce23fc9ac4ee5c96bd100
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The primary malicious URL identified is https://ttraff.com/pify?keyword=preparation+of+benzoic+acid+from+benzaldehyde+pdf, which likely leads to a malicious site or malware download. The document body itself is heavily obfuscated but contains URLs, further supporting the malicious redirection 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.com/pify?keyword=preparation+of+benzoic+acid+from+benzaldehyde+pdf In PDF document text
    • http://files.savvy-logistics.net/uploads/1/3/0/7/130774990/ligijurezaluboz_jagaxuramuzij_vagopegiju.pdfIn PDF document text
    • http://files.bestdogintheuniverse.com/uploads/1/3/1/3/131381095/pefifitafa.pdfIn PDF document text
    • http://files.elginartsassociation.com/uploads/1/3/1/4/131438282/digew_sogemetenowali.pdfIn PDF document text
    • http://files.aspirationcommunityyoga.com/uploads/1/3/1/8/131856212/lajokifi.pdfIn PDF document text
    • http://files.mrswashburnsclass.com/uploads/1/3/1/6/131607467/lawugak.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/1/0437/4075/8170/files/1_3_5_divided_by_2_3.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7247/0686/files/mimoviwefotibedi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0256/8599/files/darojemipawimer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1572/3414/files/gagidopifukamawujulu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4963/8295/files/pelamodupeju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9069/6597/files/jivizalemuzeke.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0716/5095/files/74879837664.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7442/9852/files/55175603298.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9376/9894/files/9728308565.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1092/4437/files/origami_insects_2.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4007/2092/files/xupalelokifef.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 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_off00008df8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DF8 5512 bytes
SHA-256: e34bc9892dc86f6d00538f7642ca12011ae53d8630cb6feb13ecb04de537dedb
font_01_sfnt_off0000a09c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA09C 10580 bytes
SHA-256: 80777ce45a997cd0d9e56bcab7c585f27ef459b6cbd11ee53574bd8446bcd144

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