Malicious PDF — malware analysis report

Static analysis result for SHA-256 0515e27b768690f8…

MALICIOUS

PDF

38.2 KB Created: 2020-08-12 09:21:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9a8197db2035ed52a02297b5879c90cc SHA-1: 06af22c399cbac797e1ee5403324542e6ed1fa35 SHA-256: 0515e27b768690f87337950a3bed4b183d7421fc5f25aa9e5de19aa1f9b7ae5f
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links, many pointing to a redirector service (ttraff.com) which is flagged as malicious. The document body, though partially corrupted, includes the same redirector URL, suggesting a deliberate attempt to direct users to potentially harmful content. The presence of a large number of external PDF links further indicates a link farm or SEO manipulation tactic, likely to obscure the true destination or to increase visibility for malicious purposes.

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=cayuga+lake+wine+trail+map+pdf In PDF document text
    • http://dofefatek.smoothtransformations.com.au/uploads/1/3/1/6/131637016/7864258.pdfIn PDF document text
    • http://files.grandeprairierugby.com/uploads/1/3/1/4/131406412/vufiluxakezej.pdfIn PDF document text
    • http://files.globalgoddessphotography.com/uploads/1/3/0/8/130814245/nurokanuwopalej.pdfIn PDF document text
    • http://files.welcomingfm.org/uploads/1/3/0/7/130775098/8fbbec3883dd7e3.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/1/0428/9835/8432/files/86556218032.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6200/0806/files/98110776829.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4790/2629/files/tunesobewojazed.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6578/6006/files/action_research_sample_in_science.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0437/7757/files/alimentatia_in_sarcina.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2558/7610/files/camino_frances_etappen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4925/4041/files/setafegopigawu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mikawewetekiwu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/35209966956.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5989/5717/files/vutawa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5426/0633/files/pilot_hole_size_sheet_metal_screws.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005841.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5841 5348 bytes
SHA-256: 673b5d509d43ddb81f6a4f28351b17e10e43bb033177e61fd0bae6f46e61261f
font_01_sfnt_off00006a7b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A7B 9864 bytes
SHA-256: 99f331b8c33c5cf8f061709f2755cfb91287e3c543f1cc84a28ca27964ee8d85

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