Malicious PDF — malware analysis report

Static analysis result for SHA-256 06316f6a97751924…

MALICIOUS

PDF

33.7 KB Created: 2020-08-04 04:56:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2ea8260400d02a10e0fac95e3cf6b467 SHA-1: 21372e65f36c7ea2d0b8a73b9e4ae0fa83212ae9 SHA-256: 06316f6a97751924da0e17be423cfab8dc5ed77f40ea6e1020776e699d57f2e3
194 Risk Score

Malware Insights

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

This PDF file contains numerous links designed to appear as legitimate documents, but they redirect to a malicious SEO link farm. The primary redirector URL is https://ttraff.com/pify?keyword=bsava+manual+of+canine+practice+pdf, which is used to lure victims into downloading further malicious content. The ML classifier strongly indicated maliciousness, and the PDF structure suggests an attempt to disguise malicious links as downloadable 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.com/pify?keyword=bsava+manual+of+canine+practice+pdf In PDF document text
    • http://files.myoutdoorvisions.com/uploads/1/3/2/3/132302940/pisatu.pdfIn PDF document text
    • http://files.cjearle.com/uploads/1/3/0/7/130775484/3ad73f1d2a9.pdfIn PDF document text
    • http://files.hokuloaoutrigger.com/uploads/1/3/1/4/131406337/wagefitatow-mizinosuziximu-netukigeb.pdfIn PDF document text
    • http://files.ffsdf.org/uploads/1/3/1/4/131407135/3326416.pdfIn PDF document text
    • http://files.signatureofstuart.com/uploads/1/3/0/8/130874324/dibifopozi.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/1/0429/6926/8373/files/66514614259.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5396/3678/files/medal_of_honor_airborne_patch_v1._1.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1958/3133/files/libomagosekifen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4353/6552/files/60113070056.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/volobufepafolosovi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0772/8023/files/dibizagirevanokezolus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5461/9041/files/rudipalerofezesevax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/7130/5896/files/94752521230.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9090/2166/files/62391155459.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4745/0789/files/634789827.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5311/2735/files/fagorowasaxodusexomuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2468/7014/files/rae_sremmurd_no_type_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7675/4344/files/6963487263.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_off00004851.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4851 5412 bytes
SHA-256: 4bc1c28b8ebad57ac25c23de6c360f4fd29a749ef444cedc0c0662f4ec57940f
font_01_sfnt_off00005aab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5AAB 9124 bytes
SHA-256: 9006c942ef03d346c3a05a0a6835c2eeb3128065f4cb60caad4d06d4e46a0079

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