Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e65f179b8e3f354…

MALICIOUS

PDF

62.1 KB Created: 2020-08-18 20:46:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 32f2f810b8168a537a92fcf3e3d31b2a SHA-1: f98c5141165d9cbdfdcc503a61ad9d156e9062a1 SHA-256: 9e65f179b8e3f354797aba1ed8ab27692df6e78802bf4e56e5fd08e9bcbb1b7b
234 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, which is designed to lead users to malicious content. The document body, though heavily obfuscated, contains text that appears to be a lure for a game download, aligning with the malicious link's keyword. The ML classifier strongly indicated maliciousness, and the PDF structure suggests a link farm designed for SEO manipulation to distribute malware.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • 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.cc/pify?keyword=hitman+blood+money++pc+windows+7 In PDF document text
    • http://files.heauxmade.com/uploads/1/3/1/4/131407135/2081700.pdfIn PDF document text
    • http://files.blackltdradio.com/uploads/1/3/2/7/132740637/dexodovepeze.pdfIn PDF document text
    • http://jesinalez.losangeleswomenstheatreproject.org/uploads/1/3/1/4/131438541/7086389.pdfIn PDF document text
    • http://files.balanceandneurologic.com/uploads/1/3/0/7/130738779/bc4729.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/1/0429/7624/7971/files/2127088977.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/4057/5386/files/writing_algebraic_expressions_quiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4447/0945/files/bajaj_ceiling_fan_price_list_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/87664315042.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2865/9880/files/tonapexopopa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8738/1155/files/bezatab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7509/3159/files/warranty_deed_form_new_york.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8995/2922/files/moropesexunipudapowejifin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9119/8112/files/73706070757.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 3

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_off0000b573.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB573 5496 bytes
SHA-256: dc8772fc2602e09486c7c5c9c7886342e7d16d496e00edeb557c73fde4744bff
font_01_sfnt_off0000c820.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC820 10400 bytes
SHA-256: 2b0cbfa88d16be32d68f9a19a5944cb1b6a020dbdcbb11017d1880a4eefcf906

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