Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e295dca92e1f515…

MALICIOUS

PDF

47.2 KB Created: 2020-08-23 08:56:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e210f34b2e97be265f750a6256f144ee SHA-1: e011b01414f7747bff77d86e0ea5ec26966aef02 SHA-256: 6e295dca92e1f515b06820c19f0c270b2157594bbfe4cc76480fc3c831b6f6ea
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to malicious infrastructure, specifically a URL designed to deliver a modded application. The heuristic firings indicate this is a link farm and a redirector to potentially malicious content. The ML classifier strongly supports the malicious nature of this PDF.

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=bombastic+brothers+mod+apk+unlimited+gems In PDF document text
    • http://files.bnkrescue.com/uploads/1/3/2/6/132695620/2933999.pdfIn PDF document text
    • http://files.stcharlespilgrimages.com/uploads/1/3/1/4/131406610/9461571.pdfIn PDF document text
    • http://dapij.lostintimegraphics.com/uploads/1/3/0/7/130738929/girasikasogamagekun.pdfIn PDF document text
    • http://files.wlnhelena.com/uploads/1/3/0/7/130776204/c2c7dde88bc.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/1/0433/0687/7080/files/53522836856.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3230/5054/files/21743044829.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0908/0477/files/zefaselogak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7097/9237/files/61635072105.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0863/0681/files/84366602242.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3423/8362/files/58698722806.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7654/2873/files/character_sheet_dnd_5e_fillable.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1387/2548/files/lobivute.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1969/7310/files/51828681818.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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_off0000625f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x625F 5740 bytes
SHA-256: 12e42849fcb1d6d8139974c84a4012ebd0c37f849c6eff81fe8b0a1c5f271ace
font_01_sfnt_off000075ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75AD 10644 bytes
SHA-256: 9e1bfd255683181a0024e9de6b1b81c38f6f4bda58fa96a34c4df31e5bf7ea91
font_02_sfnt_off00009a6b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9A6B 16160 bytes
SHA-256: d2619b9a2a7dec81ecbbf05c496b7f5492bc56d5eefc2cd48183daaf603cb6ac

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