Malicious PDF — malware analysis report

Static analysis result for SHA-256 05356758b07378c6…

MALICIOUS

PDF

40.2 KB Created: 2020-08-12 09:44:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8278ca57bf8c6da6d6c02fc32c8b39c0 SHA-1: 912eaf18a8e4735da2b7230895867954aff4b47f SHA-256: 05356758b07378c6b4c1fe14f7ea172461d25e6176a740827effddc605425475
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded links, with a primary link pointing to a known malicious redirector. This suggests the document is designed to lead users to malicious websites, likely for phishing or to download further malware. The presence of numerous other links to PDF files on Shopify domains indicates a link farm strategy to improve SEO for the malicious redirector.

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=alleluia%20randall%20thompson%20pdf In PDF document text
    • http://files.elizabethbaumanart.com/uploads/1/3/1/6/131607063/2685571.pdfIn PDF document text
    • http://files.watersideminers.com/uploads/1/3/0/7/130776200/xarubogibat.pdfIn PDF document text
    • http://files.therealmommy.com/uploads/1/3/0/7/130739509/duvurezivexofilo.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/1/0437/8283/2289/files/fezesajugag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8961/7311/files/71057000104.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0334/7097/files/tetizitaraxevatakesogup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8031/1203/files/bafg_berlin_antrag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8340/6239/files/clinical_pharmacy_therapeutics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6556/3549/files/91667752751.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6097/7048/files/strength_and_conditioning_books.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0683/5358/files/77411434340.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9513/8208/files/duxadipizivaniwisomidese.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4052/8792/files/it_ebooks_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5892/0605/files/53217341060.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
🗂 Part of campaign: elizabethbaumanart.com 4 samples

Related samples 6

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_off0000519e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x519E 5152 bytes
SHA-256: b9c64debb659242dce5c5734e166e7b6264476dbf6e8fa6762227e35e960932f
font_01_sfnt_off000062e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62E9 10192 bytes
SHA-256: b45dc540f53b6582751abaf7ddcc1ead2351c77dd4fa460ddc772cf7fd9c4a93
font_02_sfnt_off000085c4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85C4 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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