Malicious PDF — malware analysis report

Static analysis result for SHA-256 c028b6327b0cd893…

MALICIOUS

PDF

43.2 KB Created: 2020-08-05 04:08:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 59b5d94bd9df5b15c6ebebdd3853b743 SHA-1: 041b6fb202aabc65b99e36dfb28fb11d1ca02c51 SHA-256: c028b6327b0cd893edb09f62144ca69abaef7b901a0a9027495f10c422401ae3
194 Risk Score

Malware Insights

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

The PDF contains numerous links, including one pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=load+bearing+wall+design+pdf', which is likely intended to trick the user into downloading a malicious file. The presence of many external links suggests a link farm or SEO poisoning tactic to improve search engine visibility for 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.cc/pify?keyword=load+bearing+wall+design+pdf In PDF document text
    • http://files.bgiplus.com/uploads/1/3/1/3/131379615/c9036433.pdfIn PDF document text
    • http://files.kymoversandmakers.com/uploads/1/3/0/8/130814874/garijobopaze-juxevawokuze-mizalabatogixuk-jenitoz.pdfIn PDF document text
    • http://jejusawe.sarahdronfieldproofreader.com/uploads/1/3/1/4/131408738/mumewusevijupu.pdfIn PDF document text
    • http://files.bearcreekcommunity.com/uploads/1/3/1/3/131378953/af64f5a9a632.pdfIn PDF document text
    • http://files.hawaiianryanmassage.com/uploads/1/3/1/1/131164185/julixala-nosogut.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/1/0431/0489/5143/files/botames.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/40573574370.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5064/8223/files/zapefotepebogasovol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1750/0834/files/tasudevemivom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7813/1611/files/3617740560.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4015/2475/files/61738262447.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7540/3929/files/47711312515.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0210/9856/files/54931612456.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0227/3703/files/1000758309.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7361/0663/files/xemexer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3027/3448/files/dexevilikodijadozupukaz.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_off00006ab3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6AB3 5384 bytes
SHA-256: 895459af4dc2ac70d4d0f450dcbfbca891ba132e55ee4b0fc60c72f292640298
font_01_sfnt_off00007d20.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D20 10168 bytes
SHA-256: 55b48a53d0cc1e16d77d53bf1894e5630c8f8bf8f040f712fd141cc98ceec9dc

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