Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e21ba94a2272d10…

MALICIOUS

PDF

45.2 KB Created: 2020-08-21 22:42:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 45ce477739bc70b00c8742eb762a850a SHA-1: dea58d1c9d03f4927506f02c1837ae75a92124f2 SHA-256: 0e21ba94a2272d10b3f0e284a30dd24905ecbb3d209e3c191dd5fbf531f02dc2
194 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to a redirector service (ttraff.ru) that is flagged as malicious. The document body, though heavily obfuscated, contains a URL that appears to be part of a phishing lure related to job skills for a CV. The presence of embedded links and the malicious redirector strongly suggest an attempt to lead the user to a harmful site, likely for credential harvesting or malware delivery.

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=habilidades+informaticas+para+cv In PDF document text
    • http://files.baliblessingcards.com/uploads/1/3/1/4/131407096/rufulome_wujatosi.pdfIn PDF document text
    • http://files.seattlefirstbaptist.org/uploads/1/3/2/3/132303080/81e42db7c9176.pdfIn PDF document text
    • http://zusekef.arnonlevy.org/uploads/1/3/0/8/130874488/gajit_rokewagojifoti_piluvis_wupaji.pdfIn PDF document text
    • http://tolimenit.makepaducah.com/uploads/1/3/0/7/130739059/e235f22.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/1/0437/4999/8743/files/11386712965.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0500/8293/files/54457834293.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6083/9079/files/sidupodevogodutoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1460/9305/files/45800943402.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1179/1253/files/98630658661.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6354/1913/files/judegixem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2802/9345/files/87229115837.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1887/8114/files/sedazozodakawunaduso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1550/4029/files/9781050597.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7804/8161/files/febenixixedepa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1123/4199/files/balanopostite_de_repetio.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4038/8758/files/69590503492.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0083/9842/files/goguzevadabiko.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006f9b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F9B 5460 bytes
SHA-256: 8d6e6172396692020e8fb50d7c2df676b082039f1edda6dda3461a063d88063b
font_01_sfnt_off00008210.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8210 11132 bytes
SHA-256: 16f8e4be19c4d4a5121a336ea64b77d158d2ddf68402cb3244f977d82773c54f

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