Malicious PDF — malware analysis report

Static analysis result for SHA-256 6afe566ec9d46dc6…

MALICIOUS

PDF

45.3 KB Created: 2020-08-21 15:12:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 107ae3e36df98cbcb812623ee8379ad5 SHA-1: 3dde61778e72ed6cefd68719cacc328339353053 SHA-256: 6afe566ec9d46dc65cd0632770ecdd2fffbc7a73264c971351dd67d0a6276c02
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links, many of which point to a redirector service that is known to host malicious content. The primary malicious URL identified is https://ttraff.ru/pify?keyword=st+john+ambulans+malaysia+uniform, which is presented as a lure related to a uniform. The document body is heavily obfuscated but contains the same malicious URL, indicating an attempt to drive traffic to potentially harmful sites.

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=st+john+ambulans+malaysia+uniform In PDF document text
    • http://files.foristellchurchofchrist.com/uploads/1/3/2/6/132681144/zafonajugu_pefofuvowukuk_xozifa.pdfIn PDF document text
    • http://bewuv.whatsanoptician.com/uploads/1/3/1/0/131070374/0464cc9613d5e.pdfIn PDF document text
    • http://files.northwoodsbulldogs.com/uploads/1/3/2/6/132681409/moviwifemof-nutujebomuvapi-gisikuxuvewep.pdfIn PDF document text
    • http://files.gracepeaceandtruth.com/uploads/1/3/2/8/132813998/pexed.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0772/0094/files/sugarcane_bagasse_properties.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8273/6031/files/bncc_do_ensino_fundamental_em.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3588/5725/files/ashok_leyland_logo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1616/7328/files/nobamifojawitapawatuto.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9900/4831/files/athens_attractions_map.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1048/2588/files/kovoluvawipun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1734/6965/files/16910965031.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6361/4369/files/87027231279.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 4

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_off0000665e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x665E 5192 bytes
SHA-256: 1e2279a02660c83e408e65550a5fbac8bbe629df79e18ec43613c3b16aec1209
font_01_sfnt_off000077c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77C9 10152 bytes
SHA-256: 1fc0234c795084c6e50cd6826b085eeada387fef535c975cc7bc41ec26413eb2
font_02_sfnt_off00009a83.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9A83 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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