Malicious PDF — malware analysis report

Static analysis result for SHA-256 c68af1a1707378e2…

MALICIOUS

PDF

53.3 KB Created: 2020-08-15 06:46:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 065a28881d8cdd6ea4c8373e3f5d8f74 SHA-1: c6660fd1f77ba4efda337717885608137fd397b0 SHA-256: c68af1a1707378e20c8d55c8ed2354ece300d65162b07d301610abeb65ca19f0
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, many hosted on Shopify. The document body, though heavily obfuscated, contains the same lure text as the redirector URL, suggesting a social engineering attempt to direct users to malicious infrastructure.

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=tasks+and+duties+of+a+tour+guide In PDF document text
    • http://files.gasthauszumpiano.com/uploads/1/3/0/7/130739986/moravenexel.pdfIn PDF document text
    • http://simalusan.annamhenderson.com/uploads/1/3/0/8/130814328/kitekiropikemi-fokolaxafom-diriretativeg.pdfIn PDF document text
    • http://suxasagi.ranejiang.com/uploads/1/3/0/7/130738993/28f47eb1a.pdfIn PDF document text
    • http://files.theoec.ca/uploads/1/3/2/6/132682342/vimut-pewefimejoxetit-vuxuwu.pdfIn PDF document text
    • http://kitowuta.cbswimclub.org/uploads/1/3/1/1/131163599/4896144.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/1/0432/3786/7687/files/13922994591.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/0250/6909/files/o_reilly_fluent_python.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0732/6882/files/lufazofe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6295/1077/files/kewuzekeratupibusiriv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3764/6245/files/wegosirokogetixu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1760/0152/files/99327287858.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0962/2687/files/zevezepo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8794/6133/files/27430378281.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7956/5465/files/cen_01_2020_ntpc_syllabus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9970/8821/files/83363635265.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4496/1436/files/94801892590.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 4

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_off0000853e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x853E 4940 bytes
SHA-256: cfa1c895086f45d43a25453d361a5fa72781ce3e8fd5d95ef0f786781b2b3b0b
font_01_sfnt_off00009610.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9610 10468 bytes
SHA-256: 2d1518cc6c99c7464c4e258d5282375829d005cfa80de9a905740b6438171d5f
font_02_sfnt_off0000b9e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB9E5 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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