Malicious PDF — malware analysis report

Static analysis result for SHA-256 60e64fd7323012da…

MALICIOUS

PDF

48.4 KB Created: 2020-08-01 10:53:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: cf3432d5428edefc2322083d798d5d30 SHA-1: 07ee56f8b526bbca1380c2181642f363f0f12f6d SHA-256: 60e64fd7323012da8d4cd7fc5a7dc0b13329b48ddc4db45bb40cd3be177cee05
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded links, many of which point to a redirector service (ttraff.cc) that is known to host malicious content. The document body, though obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=what+is+form+6251', suggesting a phishing or scam lure related to tax forms. The ML classifier strongly indicated maliciousness, and the presence of a malicious redirector link is a high-confidence indicator of malicious intent.

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.cc/pify?keyword=what+is+form+6251 In PDF document text
    • http://files.westcountryswords.co.uk/uploads/1/3/0/8/130873717/1a9ceb0c.pdfIn PDF document text
    • http://files.greatlakescockapoos.com/uploads/1/3/0/9/130969346/2385447.pdfIn PDF document text
    • http://files.alessandrobianchetti.com/uploads/1/3/1/6/131607407/nirupeduvumupi.pdfIn PDF document text
    • http://files.decaturncc.org/uploads/1/3/1/4/131408942/4011009.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/1/0428/7974/6207/files/desipugesonipukaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/39720928980.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6200/9760/files/32431793943.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9064/8996/files/jujukukomevoborosop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8188/3030/files/pejekipotivoxo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5982/2243/files/nuvekuxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3264/0664/files/9738167605.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5597/2501/files/rawelisegofijex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/magizokoluredofet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0281/4876/files/bapematepesutoturaletigev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/58933331969.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8788/8545/files/10586026170.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 6

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_off00007de6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DE6 5452 bytes
SHA-256: 6a317013da552098e5b0bb2f2e0383b381e80277c8eb2555a223e0b99d1890e0
font_01_sfnt_off0000905c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x905C 10860 bytes
SHA-256: 81af64302b43c698cbeb84bcfce9d62f58b2aa8a53282bc052bf9b47ce0973bf

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