Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e995aae94da7a25…

MALICIOUS

PDF

33.3 KB Created: 2020-08-01 02:47:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e3eca275eea43929c525f1a2a22463a9 SHA-1: 1c845c72093a68482f4ed26041aedfc695765e33 SHA-256: 5e995aae94da7a25fe0ddcef8f93ce74d73ba73281c83ffe1f203f0c3b6bdb9d
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded links, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that is also flagged as a malicious redirector. This suggests the primary purpose is to redirect users to a malicious site, likely for phishing or to download further malware.

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.com/pify?keyword=murray+m2510+manual In PDF document text
    • http://files.thairicekc.com/uploads/1/3/1/6/131636903/946bfa2f1.pdfIn PDF document text
    • http://files.manitobalivinghistory.com/uploads/1/3/1/6/131606059/diregepurisun-xawigez.pdfIn PDF document text
    • http://files.clearhealing.co.uk/uploads/1/3/1/4/131438046/menigarerode.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/1/0431/1135/0439/files/35868124610.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9340/2534/files/17901063666.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0473/8206/files/fefixu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2045/8906/files/xitokipute.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6671/0433/files/10138554869.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3025/7568/files/zemutivi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5734/7749/files/riximuburazofefop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1236/6229/files/37493324463.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nezaneseku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5819/1768/files/poxuzot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3436/1508/files/raviremabareroti.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 7

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_off000045a3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x45A3 5208 bytes
SHA-256: 525ee17d0737d8f0ab06dfd3d6d633e66da796aa3282819a578dcf8b5754ff34
font_01_sfnt_off00005759.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5759 9796 bytes
SHA-256: 76e57147c2ca7458b59723c7f191ad573062928f6860d0481c48d1583d7188f6

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