Malicious PDF — malware analysis report

Static analysis result for SHA-256 6130d48d9f892683…

MALICIOUS

PDF

57.2 KB Created: 2020-08-20 08:17:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 81d05e36fee5ffdeca40f823ecf72eee SHA-1: 2f30150983291171591faad7ec548ecdc40a1e1d SHA-256: 6130d48d9f89268398e5cd875f75e8b485f651adf2ea41271b9078336049036f
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with a critical heuristic firing for a redirector link to 'ttraff.com'. The document body, though heavily obfuscated, contains the same redirector URL and appears to be a lure, possibly for phishing or malware. The ML classifier strongly indicates maliciousness, and the presence of numerous external links suggests a link farm or SEO poisoning tactic to distribute malicious content.

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=blown+away+1993+parents+guide In PDF document text
    • http://files.audaciouslifestyle.com/uploads/1/3/0/7/130738621/xusamagowes-suvixap-sabumisisinezo-zogabuvapafu.pdfIn PDF document text
    • http://jimoj.nerdnotesguides.com/uploads/1/3/1/1/131163635/6178712.pdfIn PDF document text
    • http://files.treeservicejacksonmi.com/uploads/1/3/1/8/131856188/tiwidimosatij.pdfIn PDF document text
    • http://files.eklavyadun.org/uploads/1/3/1/3/131398117/3520499.pdfIn PDF document text
    • http://files.danpardo.com/uploads/1/3/1/1/131164386/5957313.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/1/0432/0906/4607/files/comunicao_no_ambiente_de_trabalho.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3720/3364/files/24472587479.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9255/7467/files/brazoria_county_tx_police_reports.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4166/0826/files/imagina_spanish_textbook.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2370/3970/files/75681417168.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6728/5410/files/desosomojakiridipusina.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2216/3876/files/22257458678.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0204/4316/files/4919474359.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_off000097c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x97C9 5744 bytes
SHA-256: a29b6c19b697f5c5fcaef5756b88005166b71af2a2c7c12015f837d1725284aa
font_01_sfnt_off0000ab7f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAB7F 14164 bytes
SHA-256: d09014ee5ec193cb90e7fbb28b193dd20d13aaca442bb301e03692112122f144

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