Malicious PDF — malware analysis report

Static analysis result for SHA-256 b07d1605630cdf17…

MALICIOUS

PDF

43.5 KB Created: 2020-08-04 23:48:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: eb44d2c3512bff789dfb0a8f1dcfbc0a SHA-1: e81bbd83b2aadf83dda1f859bec245b78e3fcab4 SHA-256: b07d1605630cdf1764354bec0935b89234684a3da9387e0b8d99411a18a83836
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. This URL is embedded within the document body, disguised as a link to a financial administration PDF. The presence of a large number of external PDF links, many hosted on Shopify, suggests a link farm designed to improve search engine ranking for malicious content. The ML classifier also strongly flagged this PDF as malicious.

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=administra%25C3%25A7%25C3%25A3o+financeira+e+or%25C3%25A7ament%25C3%25A1ria+pdf+minhateca In PDF document text
    • http://files.anthonybellavia.com/uploads/1/3/1/4/131483027/841156.pdfIn PDF document text
    • http://files.merseamuddshack.com/uploads/1/3/1/1/131164202/mirunejupeneg-rosotafewoxi-ririnabip.pdfIn PDF document text
    • http://files.inlihtanhealingcentre.com.au/uploads/1/3/1/4/131483955/gabidilowuniju-jorokozijag-jidatetixo-pamukelibado.pdfIn PDF document text
    • http://files.twfermco.com/uploads/1/3/0/8/130874566/3114318.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/1/0431/4651/0504/files/22705516345.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2878/3002/files/68693165723.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3526/3138/files/73011606599.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0446/9784/5913/files/apache_poi_reader.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8512/8095/files/62979818557.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9999/6839/files/98058616448.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5834/0774/files/zugikopijaxilu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4940/9950/files/dogefeli.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3334/6719/files/nimitoze.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2044/3045/files/63445690482.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9980/8149/files/pigibogewa.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 6

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_off00006406.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6406 6088 bytes
SHA-256: e8e24fb90be6c82ecc7b2ce881252a14c9264b4b8e033ca86be4d21d90cc7b07
font_01_sfnt_off0000771d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x771D 13212 bytes
SHA-256: 3808e1f05f0325191ae345ce38877666903c5277966012a55e8035eebbe1723e

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