Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e46cc7d183f3252…

MALICIOUS

PDF

46.6 KB Created: 2020-09-15 22:28:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5dc43ee2bb4dd89aac8afa08e0d6b856 SHA-1: f0e1a12c151e0036d2b5a0bf1d5609640de49227 SHA-256: 6e46cc7d183f325290b1f2323e36febac7e31f77a5da630adceee06b448f9ca1
194 Risk Score

Malware Insights

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

The PDF contains numerous links designed to appear as search results for a technical manual, leading to a redirector URL. This is a common tactic for phishing or malware distribution, aiming to trick users into downloading potentially malicious files. The ML classifier also 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.link/pify?keyword=highway+capacity+manual+2016+full+pdf+free+download In PDF document text
    • http://files.college-boundplayerportal.com/uploads/1/3/1/6/131637889/godamowodasumudowo.pdfIn PDF document text
    • http://vaxer.ryangardner.org/uploads/1/3/2/6/132683078/4c45bf9.pdfIn PDF document text
    • http://files.nuevaarts.org/uploads/1/3/0/8/130815213/79e9ff39392.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static.usrfiles.com/ugd/e98895_5c9a43990d7142f1a8888ce5922d6a78.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/28b3f7_d7b9ae0cb91846f1a3bb2580a1515b3e.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/48d9a1_0cf2d9dd4f49424fad2abf74f776f6ee.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/158fb9_5067331a55e348529511334dffd98abd.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/d2759c_b0b12dd3fa5e46d0ba5c68a02a4a1b2f.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/409ca8_639087f1ca5c4110a22e9ac656ecdcf8.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9427/8293/files/70027935297.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0586/9217/files/microsoft_powerpoint_poster_presentation_templates.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006201.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6201 6028 bytes
SHA-256: e4f82594f571f0a9b880c1000301374bed002410d6e595d7c4b36011794bfa8a
font_01_sfnt_off0000767c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x767C 2116 bytes
SHA-256: 33d80b5e357abfa3ea91f5eff18928953f8e36d8e9a7aea158c838e8ae756dd9
font_02_sfnt_off00008046.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8046 13128 bytes
SHA-256: 6d08493823be166816058d3487bc071351fa596bd3b9520bf679fc1aa4b1eb26

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