Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0f07cf4fef1594d…

MALICIOUS

PDF

44.6 KB Created: 2020-08-20 20:15:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 90adadf961fda56d6ce1be07132696ff SHA-1: 953e9161bdfb58a70e96398695aac3161dde135c SHA-256: c0f07cf4fef1594ddbcbff0fa4b918a37ec7f6e5c91f5a8a7a39992bc1b90b1a
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=julien+baker+hurt+less+piano+sheet+music'. This URL is presented within the document body, suggesting a social engineering lure. The PDF also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify. The primary malicious URL is the most critical IOC.

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/pify?keyword=julien+baker+hurt+less+piano+sheet+music In PDF document text
    • http://files.partnersinhopeusa.org/uploads/1/3/0/7/130739234/gilaberix.pdfIn PDF document text
    • http://files.traillandassociates.com/uploads/1/3/1/6/131637177/xijejexijob-bilevokaposo.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/1/0431/0476/4068/files/46053156200.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0657/4238/files/crack_idm_6._28.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4233/3084/files/49669506865.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0783/5292/files/chipmunks_sinhala_video_songs_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8031/0174/files/27940114042.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6087/7729/files/balanitis_irritativa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8795/3053/files/duroj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0292/1123/files/78470181440.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7339/5106/files/dungeon_siege_2_walkthrough.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1236/6231/files/benim_hocam_fizik_ders_notlar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/9605/3662/files/87487124478.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6019/1637/files/nationalism_in_europe_class_10_notes_download.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 5

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_off0000704f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x704F 5368 bytes
SHA-256: b13dbfc2b4b31cbf03acac050e7c5a9c9bc328281d833b66948a5b6c023cfe06
font_01_sfnt_off0000825e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x825E 10204 bytes
SHA-256: d13762fdedca6f0de01e4b8dbca814af23c2af4249080b7b5695b6346a6128b7

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