Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd242c41d0785adb…

MALICIOUS

PDF

49.9 KB Created: 2020-08-30 11:51:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: cfe899ec039f51d41da996394cdda797 SHA-1: b1eeb9da96553c6370b560540a1b6d65b360b0fd SHA-256: cd242c41d0785adbd7b2dfcaaecd11feb3b38ea178c38cdeb687d0292b1cc40f
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains multiple heuristics indicating malicious intent, including links to known malicious redirector infrastructure and a large number of external PDF links, suggesting a link farm for SEO manipulation. The document body, though heavily obfuscated, contains a URL that is also flagged as a malicious redirector. The primary goal appears to be directing users to malicious content through deceptive links.

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/wix?keyword=star+wars+force+awakens+art In PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static.usrfiles.com/ugd/299074_34582653b55d4cf79c4b4881e8def80d.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_11efaf39fdf346398699d2fd99adfbc7.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_3bc19c4b22e94fb09da987312d9a7df4.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_5e1947b7e04447b99c3da2920385052d.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_a79300031340454fa1555e5f191688e0.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7813/2636/files/rurugiko.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/544c7e_a10f6a372a6e4e98a32891ebdde89eae.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/b8c837_f5f0b8d127c7440aa11bdf2ae9256a3a.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0621/4819/files/bekhayali_female_version_song_pagalworld.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7709/9935/files/2342862009.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006057.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6057 3312 bytes
SHA-256: 19fe6d3511270ee3ff4fbce704f5f4a9fb9182a4344e37e40a38d55828b07e20
font_01_sfnt_off00006c38.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C38 5100 bytes
SHA-256: c85e83099938d777475e0653442c600fd3f64f0eb5a72ca5d8fa9c7c658d7cae
font_02_sfnt_off00007dae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DAE 11084 bytes
SHA-256: 31e2f0bb70773d30986aafce21c0bcbca2dd0a7535e75189840c9a5a073a8804
font_03_sfnt_off0000a25a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA25A 16832 bytes
SHA-256: b80cd8e01fc02fec0f0e44683d9c2b3eecbd2a68fae4d6f91df73418cc908c82

Open this report in the interactive analyzer, or submit your own file for analysis.