Malicious PDF — malware analysis report

Static analysis result for SHA-256 08f514a851396570…

MALICIOUS

PDF

37.6 KB Created: 2020-08-07 08:13:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 84cdc4eb359a32a62f5cc2c8936cb13d SHA-1: 503e66b7809c02f9d93b45fb12dd751d4634bd7e SHA-256: 08f514a851396570236d95b344ff84eb1806c680bd745ab8134241f15dc3c43e
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links, including one to a known malicious redirector, `https://ttraff.cc/pify?keyword=seventh+day+adventist+hymnal+pdf+download`. This redirector is likely used to obscure the final malicious destination, aiming to trick users into downloading further malware or visiting phishing pages. The ML classifier also strongly indicated maliciousness.

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.cc/pify?keyword=seventh+day+adventist+hymnal+pdf+download In PDF document text
    • http://files.dogsinks.com/uploads/1/3/1/4/131437041/2664419.pdfIn PDF document text
    • http://files.stockporttherapy.com/uploads/1/3/1/3/131381031/04a548e.pdfIn PDF document text
    • http://files.sandysbakeryanddeli.com/uploads/1/3/0/7/130740297/b9f4e0.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/1/0431/9189/4176/files/58387942387.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5509/5708/files/18280331471.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3260/7894/files/rimatavu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9884/7896/files/57552006602.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3333/7768/files/kiduvajusoxitana.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9964/4314/files/skf_ball_bearings_catalogue.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0839/3369/files/movex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/danedogorolulefumatexa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5537/3720/files/zorofoposikikasepagiwa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4296/3613/files/59025427985.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5319/4133/files/human_genetics_books.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 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_off00004759.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4759 5540 bytes
SHA-256: ebf501b2bfe0b3f139dc14e23bddb7b6ad6ea0625b0110e62f6df8b7c7be26ec
font_01_sfnt_off00005a24.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A24 4532 bytes
SHA-256: 8b1f233c6a7c4fd0d1569106921b58cd7bee76db873e76301dc43ffc09650955
font_02_sfnt_off000066b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66B6 10140 bytes
SHA-256: 625fdaa8c9a1c14f9acee2dc378e376d460eca8bbaec1237c83fccd7cc5f9a6e

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