Malicious PDF — malware analysis report

Static analysis result for SHA-256 7a0167db38322689…

MALICIOUS

PDF

37.4 KB Created: 2020-08-02 22:10:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9de53d2d6873d6a4dd27579fb6ac91d9 SHA-1: 0827647997c5ee29a8335fbefdd6bf61fcd2b564 SHA-256: 7a0167db38322689ae7558c4af76938bc0afa4613838e640f16f985a526feef6
194 Risk Score

Malware Insights

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

The PDF contains numerous links, including one to a known malicious redirector, suggesting a phishing or scam attempt. The document body, though heavily obfuscated, contains a URL that appears to be a lure for a product download. The presence of many external links, including PDF link farms, indicates an attempt to distribute malicious content or engage in SEO manipulation for phishing purposes.

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=pioneer+super+tuner+3d+mosfet+50wx4 In PDF document text
    • http://files.ninjaramen.us/uploads/1/3/1/3/131379012/banejanitenu-ziwiwabadopunu-majevixulol-gelexilevi.pdfIn PDF document text
    • http://files.verarey.com/uploads/1/3/2/7/132712315/8684652.pdfIn PDF document text
    • http://files.infraredcreations.com/uploads/1/3/2/7/132710797/bejanovomaw.pdfIn PDF document text
    • http://files.driversedgrades.com/uploads/1/3/1/4/131454808/difopewaves.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/1/0429/9925/1093/files/dodugoxizokojizoxadurupof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5109/0077/files/61300609630.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5381/8790/files/42987020106.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4104/4118/files/sufficient_velocity_forums.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2940/4567/files/kiwafaku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6542/5570/files/zowedugodogap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1320/9246/files/35369227129.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7090/5750/files/ranif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5706/1788/files/53190730006.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zorosibal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6960/2978/files/wibeluwabumupi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7881/1810/files/nuwadapewikosesigit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0965/4436/files/21466564479.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5284/3676/files/42454499789.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_off00005095.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5095 5624 bytes
SHA-256: 423f24030a17770d929bca3989105649a612e3becc94eef1cb53378f0d02cfc2
font_01_sfnt_off000063c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63C7 11428 bytes
SHA-256: 84d313373c8eeb4f69151ca1d43cd0b472ccf7496114a209cec8c1338c348b63

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