Malicious PDF — malware analysis report

Static analysis result for SHA-256 62e662fbe7c2df1e…

MALICIOUS

PDF

46.4 KB Created: 2020-08-04 01:38:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c0b560ef75a5a35f3292be084ce831ee SHA-1: 76eeb675e9e64286b04634e47dc5e9ec170082e3 SHA-256: 62e662fbe7c2df1eeb60f09def97d0d3f5baef7bb59d49a12caa3567d6481c2a
194 Risk Score

Malware Insights

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

This PDF file contains a large number of embedded links, many of which point to a redirector service. The primary redirector URL, 'https://ttraff.cc/pify?keyword=apprendre+le+suisse+allemand+pdf', is flagged as malicious. The document body, though heavily obfuscated, also contains this URL and numerous other links to Shopify-hosted PDFs, suggesting a link farm or phishing campaign designed to distribute further malicious content. The ML classifier strongly supports the malicious verdict.

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=apprendre+le+suisse+allemand+pdf In PDF document text
    • http://files.thedishwashingdoc.com/uploads/1/3/2/7/132712451/memopejedovi.pdfIn PDF document text
    • http://files.dancingforjoy1.com/uploads/1/3/2/3/132302819/40b1aa6.pdfIn PDF document text
    • http://files.nirvanapilkington.com/uploads/1/3/1/0/131070420/74bf4.pdfIn PDF document text
    • http://files.dancedriven.net/uploads/1/3/0/9/130969183/pupozapememiva-seneda-nadomadakires-tenubexev.pdfIn PDF document text
    • http://files.sib4sib.org/uploads/1/3/2/7/132741385/dda02c0e0cf1.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/1/0428/3881/8982/files/526952073.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0904/7717/files/20154110414.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0778/6651/files/vowigoliledexugikodajupo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8765/8141/files/33656259764.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2073/7950/files/3941601492.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7128/4135/files/kawikegi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9180/3801/files/47511912245.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/42479515564.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0582/1599/files/98909245119.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6454/0835/files/27677354409.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7632/9373/files/xegarokatalasobawinazuk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0937/5383/files/5933009116.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1042/3960/files/riruf.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006a3f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A3F 5176 bytes
SHA-256: fc9ca2128046adfc4a2f0cffe5dbba2b5632420498b94f803c6b2fb64cbda80c
font_01_sfnt_off00007bc5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BC5 15780 bytes
SHA-256: 4e63f23c517758580bfb387d97c11e89ffab87f85790e57b238ff504bdde7652