Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d7f65719127e5fe…

MALICIOUS

PDF

53.9 KB Created: 2020-09-11 10:48:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7650155840a2cc0922e548f77d344a4b SHA-1: 9f3598a5c10a5e32c73d64d884d25a27a784f6db SHA-256: 0d7f65719127e5fe89cb147dcb24bc51bba72f7e40ec88dd2a3f743450595671
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains numerous embedded links, many of which point to redirectors and SEO link farms, indicating a phishing or malware distribution attempt. The document body, though obfuscated, contains a URL that appears to be a lure for a fishing report, likely intended to trick users into downloading a second-stage payload. The ML classifier strongly supports the malicious nature of this PDF.

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.link/pify?keyword=guadalupe+river+rainbow+trout+fishing+report In PDF document text
    • http://zomug.atlanticmusictherapy.com/uploads/1/3/1/1/131164250/motimurolek.pdfIn PDF document text
    • http://files.altezagen.com/uploads/1/3/0/8/130874160/wuved.pdfIn PDF document text
    • http://rapamefiw.storageincarlisle.com/uploads/1/3/0/7/130776485/1567950.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static.usrfiles.com/ugd/5bf82b_7e8a37c0c58e419b9583b5999fd0ccca.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/55cc32_5da40dd719b64ca283a9d7e03db432ff.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/54bec1_9ad43e5482ec43fdb62a7d1ad2872421.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/63022f_9753a9ba432e4cf8b3b9670d7160c2d6.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/5ea691_bb62358c7dc1443fb6c0343746e4738c.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2690/6261/files/49909229942.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3318/8762/files/metabolic_alkalosis_treatment.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5048/4390/files/899967630.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8249/7701/files/carpentry_tools_and_equipment.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 1

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_off00009610.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9610 5628 bytes
SHA-256: 6cb745185b69dc663c85714e28b1459f3d3fa94dfb4e9f769c35f0f1a260441b
font_01_sfnt_off0000a945.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA945 9748 bytes
SHA-256: ebe13b5319901ffb8938f60e9acf45ae60a603688793bd8dd3df48edfede5566

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