Malicious PDF — malware analysis report

Static analysis result for SHA-256 bf68527203350fcc…

MALICIOUS

PDF

50.2 KB Created: 2020-07-23 20:33:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: eb34b8bd7426f61312c7b33ea372bb3e SHA-1: 828616121f00c57dd0e6ab497c36ef5830e5d8a4 SHA-256: bf68527203350fcc9bacdd75c51e0f8b34fc5d6b7f8f3ae516fd9173e720c540
194 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The primary link, 'https://ttraff.ru/pify?keyword=chef+cv+template+free', suggests a phishing or scam attempt by luring users with a seemingly legitimate search result. The ML classifier strongly supports the malicious nature of this PDF. No scripts were extracted, and the document body was heavily obfuscated, making it difficult to determine the exact payload or further actions.

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=chef+cv+template+free In PDF document text
    • http://files.lustbikes.net/uploads/1/3/1/3/131378942/wekixinuxejotezep.pdfIn PDF document text
    • http://files.textesoltwo.com/uploads/1/3/0/7/130739593/levodafos_rodokuk_fojuzinix.pdfIn PDF document text
    • http://files.ironhawkelevator.com/uploads/1/3/1/3/131397946/1248871.pdfIn PDF document text
    • http://files.shsu-xa.com/uploads/1/3/0/9/130969489/kadafe.pdfIn PDF document text
    • http://files.priorityenvironmental.ca/uploads/1/3/2/7/132740415/poturowinu-pepurefeme-zomoxiru.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/1/0429/5183/5801/files/77359145348.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3339/5353/files/zutafopawed.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6730/2295/files/94241492387.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/82127534182.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2827/4587/files/duzufalefedode.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5361/2182/files/93057107561.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5275/2283/files/38938643458.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1895/2612/files/31419550390.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7978/5886/files/zozobefifitularutavif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6570/3590/files/79744877663.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1547/0245/files/bufutifixove.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4517/3910/files/vifokuwufijoxenenizozefu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1251/4201/files/vuxudovu.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_off0000891e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x891E 4684 bytes
SHA-256: b69f3164726ea3a85ca55818142095c50a7963b731a6fa3a5bb1e09fc6a430bf
font_01_sfnt_off00009911.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9911 9996 bytes
SHA-256: 4d3d69c2b237918d10a185fcbe04a607f496341d98f1448acb9a00e569c3fdbd

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