Malicious PDF — malware analysis report

Static analysis result for SHA-256 9b840b4f5e996070…

MALICIOUS

PDF

121.0 KB Created: 2020-08-03 01:36:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6d333c6fcd6367e44d4182a06355825d SHA-1: 50fdf9d4460c7ac6fc019e83f84321461db3a20f SHA-256: 9b840b4f5e996070975ee9835cdabd31b64ccff8ce5874ff6ef01563c2e88e0a
194 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=2011+ford+fusion+owners+manual'. This URL is presented within the document body, disguised as a vehicle owner's manual. The file also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on cdn.shopify.com. The primary intent appears to be redirecting users to malicious infrastructure.

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=2011+ford+fusion+owners+manual In PDF document text
    • http://files.midstatesmeat.org/uploads/1/3/1/4/131453432/dexefomemo.pdfIn PDF document text
    • http://files.pomerenkedrivered.com/uploads/1/3/2/7/132740692/849738.pdfIn PDF document text
    • http://files.miriamruberlartist.com/uploads/1/3/1/4/131483019/828517e6fc26dc2.pdfIn PDF document text
    • http://nunubuj.mao-bo.com/uploads/1/3/1/4/131438464/f8df59a884b.pdfIn PDF document text
    • http://files.surrenderedtochrist.org/uploads/1/3/0/8/130814714/tojefufidakavu.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/1/0433/0625/4494/files/felogepovo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6657/2443/files/babosikivuloni.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6236/1245/files/kufasudas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2986/2312/files/blindsight_peter_watts.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4211/1650/files/waxegoxosu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8867/4967/files/48146215018.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1312/8863/files/kubudikekaxofajami.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1606/1091/files/18041475047.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2817/5255/files/74451217482.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7364/2389/files/nixiremaxewuze.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8440/6181/files/lofek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/4029/8392/files/guwaxapidu.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_off00019fac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x19FAC 5376 bytes
SHA-256: ea789da47daf829db7946a242b588c6049649526c79a60f0d63cc37a59dfb4ee
font_01_sfnt_off0001b1f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1B1F2 10940 bytes
SHA-256: 89f4fc601f5d289ee7c92822c0a2c789a89ae7899742fde23bd3dbad0d81b424

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