Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c9b0fba1d9215a2…

MALICIOUS

PDF

44.5 KB Created: 2020-08-05 15:54:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 35d96240f5aeaf5fd87ff2d2ad94f40b SHA-1: d342f110a9f7a7cb100dd85e94037aa4d0babe6e SHA-256: 9c9b0fba1d9215a2165fb7b4a947cb6f68dd1725b11ca62bf891a9e216c60b04
194 Risk Score

Malware Insights

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

The PDF contains a mass of external links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body text and embedded links suggest a lure related to PDF editing, likely intended to redirect users to phishing or malware download sites. The ML classifier strongly supports the malicious nature of this PDF.

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=edit+pdf+text+editor In PDF document text
    • http://files.electricscientist.com/uploads/1/3/0/8/130873872/kasajug-vonano.pdfIn PDF document text
    • http://files.heartconnectimproveyourlife.com/uploads/1/3/1/4/131438121/panuvusitanip_sewuvulosegogif_dufajewukag_xadovuladanag.pdfIn PDF document text
    • http://files.gncwomen.org/uploads/1/3/2/6/132681062/18921690fb1029e.pdfIn PDF document text
    • http://files.divorcecoachingandconsulting.com/uploads/1/3/0/8/130874518/bejam-soselovorifat-tekumubobup-powidonuvewadar.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/1/0433/0687/7080/files/63491738983.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7102/0960/files/55563330482.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3510/7233/files/3978118488.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5131/0486/files/95289565584.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0803/2922/files/gujedirevuvumasiguzofo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8616/7702/files/56271767933.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8475/0741/files/5250337648.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/57917948996.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7291/3557/files/diviser_a3_en_2_a4.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8669/3023/files/franchise_operations_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1733/8005/files/tigolusoz.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_off0000711c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x711C 4640 bytes
SHA-256: 5daa97c7be0f8fb1cc4870f907bd2816433e1fa4210f4047ed6d272ed1fa370b
font_01_sfnt_off000080fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80FC 10748 bytes
SHA-256: 309279bbca28e6ca478e6102ea5819f10728508784f4dce7919bd89198d232ff

Open this report in the interactive analyzer, or submit your own file for analysis.