Malicious PDF — malware analysis report

Static analysis result for SHA-256 b80ee92b9c51d98c…

MALICIOUS

PDF

42.8 KB Created: 2020-07-30 12:00:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 62083f9f1b95bdde3a368c86ca3d083e SHA-1: 4d89c8b0ba1a0a67707d52c0e730b89b341d9083 SHA-256: b80ee92b9c51d98c0bb2b5b9121c30e87d6db02573719cb72e2f8d7b5079ec68
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-in T1059.001 PowerShell

The PDF file contains a large number of embedded links, a technique often used to create SEO link farms and direct users to malicious sites. One critical heuristic firing indicates a PDF redirector link to 'ttraff.com', which is known malicious infrastructure. The document body, though heavily obfuscated, contains text related to 'Pdf bestanden verkleinen mac' and 'wkhtmltopdf', suggesting a lure to disguise the malicious intent. The presence of numerous Shopify URLs, while many are confirmed benign, likely serves to add legitimacy to the overall deceptive structure.

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=pdf+bestanden+verkleinen+mac In PDF document text
    • http://files.rabbifuchs.com/uploads/1/3/2/7/132740277/divejimulira_xutaronilelal_jimebejavul_kuzalex.pdfIn PDF document text
    • http://files.brunerscience.com/uploads/1/3/2/6/132681517/jolup.pdfIn PDF document text
    • http://files.movingthroughmusic.com/uploads/1/3/2/7/132741389/repojufafozokisi.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/1/0430/6829/3287/files/36285125229.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0677/0849/files/67759221162.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9899/6889/files/likelajerig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6424/5925/files/nulokekidemi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7086/6087/files/12149441975.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0878/5562/files/98717310504.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4195/6775/files/dazexa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9007/4005/files/xinazezowososaxi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4021/1105/files/lonaxudaxovipiwepawam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51982080438.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8142/3262/files/fifedujidoxodupixal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7618/2426/files/juvavasuxixosep.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_off000065a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65A8 5112 bytes
SHA-256: 7b96a99d317dabd520398caa3205f2875a43c518b56489d013dae047e93d1d0d
font_01_sfnt_off000076ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76EA 11616 bytes
SHA-256: 614471cc709964dd81ef09007992960eb86a2dd46db610256802e9434d38d1ba

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