Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ba60fa72e7c7fa4…

MALICIOUS

PDF

42.4 KB Created: 2020-07-25 05:56:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e6fffd2c97f5ce5bb749ba531dc7861a SHA-1: 88b8e7730dd10d47140d7ab52f1abb268f8a16ac SHA-256: 6ba60fa72e7c7fa4ac5042e6be1d0f4e7e490dc344ae63e6bff67754b8f98e2e
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to malicious infrastructure, specifically `https://ttraff.ru/pify?keyword=amended+form+1041+instructions`. This URL is flagged as a malicious redirector and part of an SEO link farm, suggesting a phishing or scam attempt. The document body, though heavily obfuscated, contains text related to 'Amended form 1041 instructions', likely a lure to entice clicks.

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.ru/pify?keyword=amended+form+1041+instructions In PDF document text
    • http://files.mectacprinstructor.com/uploads/1/3/1/4/131437740/2f469132278.pdfIn PDF document text
    • http://files.bestkidintheworld.org/uploads/1/3/1/6/131636828/goxezopezopuped_madukufev.pdfIn PDF document text
    • http://files.61percent.uk/uploads/1/3/1/3/131398145/fiseporozeju-jujivaruwovuta.pdfIn PDF document text
    • http://files.statebirdtogo.com/uploads/1/3/2/7/132710687/a1b067.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/1/0434/2621/8134/files/fezopixuvikiximidi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0160/8353/files/posapoguket.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9390/8892/files/25820678709.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1555/1651/files/5514210351.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5405/6092/files/27001577995.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6838/3642/files/diganesarajo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6568/7717/files/jezan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1234/1416/files/54256000474.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1617/4237/files/galiwupasefulesanufivam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2725/0848/files/rusiwusojululu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4138/0762/files/suverabetujokun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5962/5627/files/28422734107.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8991/2218/files/boresejerug.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_off00006629.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6629 5080 bytes
SHA-256: 3ddc18463cd17c08fe091ce54243c8d047ad47fadda073a837efa36d0491295d
font_01_sfnt_off0000775b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x775B 11112 bytes
SHA-256: 60b83ef53625945d8a7ff65be75d6f3eba9e2f685e5788797d19ccc0912febdc

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