Malicious PDF — malware analysis report

Static analysis result for SHA-256 8612fa9b9fd9d1fc…

MALICIOUS

PDF

34.6 KB Created: 2020-08-20 06:02:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b4fbe90fd3ec74edefbc0f10b7ea43cf SHA-1: a36e5ff2e1e1f509ad594e1ab6efec7f5a3a7f8c SHA-256: 8612fa9b9fd9d1fcea8ec4fcdcbd871ef7c50a7c764850ef13f482e8bf5bf998
234 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many pointing to a redirector service (ttraff.ru) that appears to be part of an SEO link farm. The document body also contains a direct link to this redirector, suggesting a phishing or scam attempt to drive traffic to malicious infrastructure. The presence of a password-protected archive lure heuristic further indicates a payload delivery attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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=beyblade+burst+god+rom In PDF document text
    • http://files.callthemformeprototype.com/uploads/1/3/1/4/131406864/lisit_xosasu_fikasezejob.pdfIn PDF document text
    • http://majaro.foothillsphotogroup.com/uploads/1/3/0/8/130814328/7803910.pdfIn PDF document text
    • http://files.iowasubtleimageryphotos.com/uploads/1/3/0/7/130775759/07b63fedb8.pdfIn PDF document text
    • http://vevogefor.lhscards.com/uploads/1/3/1/4/131406893/gijotukalitipiraxota.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/1/0429/1290/7423/files/sodamisabufadolewabipolix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3730/2685/files/pigibutexotezumotijez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6934/8763/files/71181524290.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/6758/4162/files/59354792680.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5079/3122/files/roxapisijanakomim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3513/1036/files/couch_to_5k_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6840/5413/files/26489059973.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5358/0441/files/68571591693.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5219/6249/files/nuwosabipu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2133/4690/files/defense_industrial_base_report_2018.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3448/3605/files/transverse_abdominis_exercises.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: foothillsphotogroup.com 4 samples

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_off00004861.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4861 5436 bytes
SHA-256: 6a2a982173ec95a332a60c77d1e63bab273ad74111079e91f95f45fdf264bb7f
font_01_sfnt_off00005ac5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5AC5 10180 bytes
SHA-256: ed245c4d324d09cc774517c86a66c55edf3424d0fa038e68775cedad2819e986

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