Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e1cde87d06a1a86…

MALICIOUS

PDF

38.9 KB Created: 2020-08-04 09:42:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3c7b2d1cb544b82bcfaab4e3552c9858 SHA-1: 139c2cd00ff92fd56c98be3a8af708f2e0abfc00 SHA-256: 7e1cde87d06a1a86cbbb69530c7971ce3ddef304c13aa397e33fc49688056860
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the identified malicious redirector. This suggests the PDF is designed to trick users into visiting a malicious site under the guise of downloading a product manual.

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/wb?keyword=braun%20coffee%20maker%20manual%20kf7150 In PDF document text
    • http://files.workinnvision.com/uploads/1/3/1/3/131384018/zudemesenodevakani.pdfIn PDF document text
    • http://tuwiruta.proflightuas.us/uploads/1/3/1/6/131636655/355f9eee793.pdfIn PDF document text
    • http://kigitoka.icaisfo.org/uploads/1/3/1/4/131437812/detidibo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9105/1161/files/70331038879.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4455/9258/files/45076446720.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5684/0354/files/51548623952.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0581/1608/files/buguguxovovugosaxef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1141/4939/files/24580222518.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6880/8613/files/78651527522.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8699/4855/files/we_are_anonymous._we_are_legion.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5689/0013/files/sefupuvuzoxi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1070/9913/files/favubunafi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72707516801.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/66916333827.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1984/5278/files/begesulugerufam.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004d5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4D5A 5116 bytes
SHA-256: d2b0cf6d86e24608f81985304d39578d457e057aa8df1b9499c56e79828da0f9
font_01_sfnt_off00005ead.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EAD 9840 bytes
SHA-256: 680e802bdcf920ce0515f5fa7bb0e16d4e5515a6f9e9d23b0aea578c61bc4d0e
font_02_sfnt_off0000803e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x803E 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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