Malicious PDF — malware analysis report

Static analysis result for SHA-256 22dca9182054fbca…

MALICIOUS

PDF

54.7 KB Created: 2020-08-01 07:33:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 67fa1ec90aff233b3a3fe69f90e48cb8 SHA-1: bc7b9ecedea0b7f48e6861aad40ac0b57a7e2dac SHA-256: 22dca9182054fbcad1c3ee58a66e2e5a083893e2c12696f924f15c96244c4bc9
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=final+fantasy+15+guide+pdf', suggesting a lure to disguise malicious activity. The presence of a link farm and a malicious redirector indicates an attempt to distribute further malicious content or conduct phishing.

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.ru/pify?keyword=final+fantasy+15+guide+pdf In PDF document text
    • http://files.allenhuang.org/uploads/1/3/1/4/131406826/nobakuti.pdfIn PDF document text
    • http://files.fittingroomligonier.com/uploads/1/3/0/8/130814672/sodumavasoso_sugenufefigu_tinivotosuna_sezomojodupebe.pdfIn PDF document text
    • http://files.serenarobinett.com/uploads/1/3/1/1/131164311/1208511.pdfIn PDF document text
    • http://files.thesolutionaryschool.org/uploads/1/3/0/7/130738814/lavomowife_fefasaboliwuze_detopezinet.pdfIn PDF document text
    • http://files.magicalhomesneardisney.com/uploads/1/3/0/8/130813489/1afa37958.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/1/0431/5702/9019/files/23174956127.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8759/3632/files/94640999101.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1278/4277/files/12035811773.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/6819160869.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7954/1671/files/73470345186.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8820/6238/files/trotter_525_treadmill_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vonabubabosutogoxofe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3655/7987/files/7259660648.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5573/5199/files/zenedobu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5802/8959/files/51028688242.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5772/6118/files/54314847090.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4922/2298/files/7060771085.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7693/4042/files/soduvulisowu.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000098b3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x98B3 5348 bytes
SHA-256: 1af83dc8ef4abb98c986f5e6e9611059ba55b46370d36a4d91c674ca44b8c14d
font_01_sfnt_off0000ab15.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAB15 10164 bytes
SHA-256: 16e4402674aae58517f7acb4810bc6a1b62aef90b5d81a9ff7807335cbba2cf3