Malicious PDF — malware analysis report

Static analysis result for SHA-256 c08cc9fc5a9a2b2c…

MALICIOUS

PDF

40.8 KB Created: 2020-08-14 14:26:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2f789e7a16c5d9453781db8783750957 SHA-1: 0bec58d98d1c20ea1feaeae4899d9e5cc92ae7ed SHA-256: c08cc9fc5a9a2b2c9fea06f0a05f6ccc801b6d35fe2ed3f72460a0b3ca194cf1
194 Risk Score

Malware Insights

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

The PDF contains embedded links, with one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text suggesting it is a 'website developer cv template' and includes the malicious URL. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning tactic to distribute the malicious content. The ML classifier strongly indicated maliciousness.

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=website+developer+cv+template In PDF document text
    • http://files.accentplanks.com/uploads/1/3/1/4/131410007/kajubon.pdfIn PDF document text
    • http://files.creameryartscenter.org/uploads/1/3/1/3/131380292/5734059.pdfIn PDF document text
    • http://pefivexug.cottontailcottage.org/uploads/1/3/1/8/131872225/589949.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/1/0429/9803/8679/files/28262933919.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0243/6512/files/20242105650.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0600/9255/files/vasafomoze.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0119/1328/files/factors_affecting_demand_for_money.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7664/9121/files/26656255167.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7921/2959/files/uniden_power_max_5._8_ghz_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3439/4276/files/healthy_carbs_list.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5271/1581/files/49593465296.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4673/9866/files/jeragunewis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/9432/4888/files/91431348964.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8466/1407/files/29813274573.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 4

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_off0000614a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x614A 5432 bytes
SHA-256: f8ef1a1792f6f8f3579d7731f331a41227e59e937e9d05412898a2e2bd919d6b
font_01_sfnt_off000073b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73B2 10284 bytes
SHA-256: 6022c85e551f195fcdfecb5d286630cd8c711813075bf4be6eb34470811d2efe

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