Malicious PDF — malware analysis report

Static analysis result for SHA-256 346ef13d0e9a066a…

MALICIOUS

PDF

52.9 KB Created: 2020-08-01 21:02:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1558765d500a20b39f1f22ce7875d4de SHA-1: 130e7ea9f1697fe13854139da2196d9418bf5918 SHA-256: 346ef13d0e9a066abbf646605f3d8d084b12c904c94a50fce7a3a6a7a168a6f9
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to a known malicious domain, ttraff.ru, disguised as a Homelite string trimmer manual. This indicates a phishing or scam attempt. The ML classifier strongly supports the malicious verdict. No scripts were extracted, limiting the analysis of the exact payload delivery mechanism.

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.ru/pify?keyword=homelite+string+trimmer+manual In PDF document text
    • http://files.uplyftelectronics.com/uploads/1/3/0/8/130814682/a5d9af723b1e1.pdfIn PDF document text
    • http://files.littlestbee.com/uploads/1/3/1/4/131453278/3208683a40af13.pdfIn PDF document text
    • http://files.eygbball.com/uploads/1/3/0/7/130738859/e4297afe7f04a0.pdfIn PDF document text
    • http://files.ohioshootingsports.com/uploads/1/3/0/8/130813781/4571664.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/1/0440/0611/3430/files/10262770477.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5840/5275/files/62640472103.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2880/6806/files/86754489752.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4777/8469/files/animate_objects_5e.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8443/9971/files/30272057960.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4532/8808/files/giwakibidu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8030/3270/files/57883899100.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9902/7611/files/62814491727.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9583/5295/files/pipukufikadakeso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51108684678.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4008/0025/files/42586491611.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1478/2104/files/98995064940.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: eygbball.com 4 samples

Related samples 6

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_off0000912b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x912B 4968 bytes
SHA-256: 051d274ed3bc1d506034e69f2ea74fd763e2f64c329871125cab097223391dfc
font_01_sfnt_off0000a1f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA1F2 10648 bytes
SHA-256: 0a4f8aa9a5be0eadccaa150d0f3653b17255d100caffa06aa2d5b4a5e79100b7

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