Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d56a9d7fb90b2ff…

MALICIOUS

PDF

53.3 KB Created: 2020-08-10 13:13:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: dbe41285e90e08110b2e4610e0dc463e SHA-1: 285ff8c244897b7d0298f2b9155322232a82e9d7 SHA-256: 9d56a9d7fb90b2ff56130cf902db35c98bcdf2bd326b5053db0bcb6e3f36fd8b
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.com/pify?keyword=soa+exam+fm+study+guide+pdf'. The document body, though heavily obfuscated, appears to contain text related to 'soa exam fm study guide pdf', suggesting a lure. The presence of multiple SEO-optimized PDF links further indicates an attempt to distribute malicious content.

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.com/pify?keyword=soa+exam+fm+study+guide+pdf In PDF document text
    • http://ribigus.northbaytheatrics.com/uploads/1/3/1/4/131453247/7a358b0e4cd44.pdfIn PDF document text
    • http://files.joinzombieclub.com/uploads/1/3/1/1/131163559/puped.pdfIn PDF document text
    • http://xedebutid.sepcal.online/uploads/1/3/1/3/131379732/vukijaxage.pdfIn PDF document text
    • http://nivivo.kouturexprice.com/uploads/1/3/2/8/132814930/nepuj.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/1/0431/8252/2528/files/dizufotepux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3708/2271/files/bajujadegawokobekowar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3016/7207/files/monosacaridos_quimica_organica.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9105/8083/files/fidutataturapupuvinir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4202/9215/files/16817555838.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4126/8647/files/xosovixazatad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2627/6771/files/49865083806.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6961/2966/files/90967715005.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9463/8749/files/google_analytics_code_sample.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7625/5897/files/56130413210.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8406/2622/files/73498971129.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 7

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_off000087d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x87D5 5504 bytes
SHA-256: f6e2bad87712779b05ac20560bd270fea51c4591f0de7a3d36b1ead0e9b34cc5
font_01_sfnt_off00009a8d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9A8D 14492 bytes
SHA-256: e61daaa00422507285b369b0b31bb0fdcdba185d152954ed73151b31d2e79ae9

Open this report in the interactive analyzer, or submit your own file for analysis.