Malicious PDF — malware analysis report

Static analysis result for SHA-256 560d484b8a52b126…

MALICIOUS

PDF

45.3 KB Created: 2020-09-10 06:04:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 391b2730632ff28044c5b664aa57213f SHA-1: 360fbc8b61b846c860794e8a5e9ea0d0637f1eba SHA-256: 560d484b8a52b1260ccc2812a8282516af247c976f15dfee9584ec53c1df0067
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating it's a redirector link to a URL associated with potentially malicious activity. Additionally, another critical heuristic identified it as a PDF link farm, with numerous external PDF links, some of which point to suspicious domains. The document body contains text related to 'Borderlands 2 commando skill tree guide' and a URL, suggesting a lure to entice users to click on malicious links.

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.me/wix?keyword=borderlands+2+commando+skill+tree+guide In PDF document text
    • http://jasotibu.steveblanchardmusic.com/uploads/1/3/2/8/132814097/c905e700.pdfIn PDF document text
    • http://files.davisdeckandfence.com/uploads/1/3/0/7/130739475/4155213.pdfIn PDF document text
    • http://jexodo.craigformissouri.com/uploads/1/3/0/8/130873982/962035.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/a8cc01_d1cd43da938e41278f755f095053ae43.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/185811_0764b4dd59394fd49270ff0476f8f302.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0463/7822/1729/files/bjoms_case_report.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3644/1767/files/vidmate_app_install_old.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/2f7815_0189d5770a54403ab778654204d7be70.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/ab0441_3de0ff1b418a456896b43811314fba29.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/96564c_9eb1451009fe4047b43acc1e28fef090.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/76de1a_557590d02647498784c22d1ab97f663e.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
🗂 Part of campaign: davisdeckandfence.com 5 samples

Related samples 3

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_off00007116.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7116 5504 bytes
SHA-256: e3d1f5657f53d03fe49e293bf3bde4cb2b0d526578afc6aec83e61902911d4c4
font_01_sfnt_off000083bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83BF 10796 bytes
SHA-256: e12c916ff4d19bd111a6003711303789c6680daf5c4c55a37481c614f712e5d3

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