Malicious PDF — malware analysis report

Static analysis result for SHA-256 f11726f7577d7550…

MALICIOUS

PDF

46.9 KB Created: 2020-08-15 06:39:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7cf638cc445544265105daae4fa67697 SHA-1: b0fced02e3e1b00e8fefd1be2576f428ac206010 SHA-256: f11726f7577d75500f78b873b0a78f5263f16a829eaf2329c6c9dc5d5a2fba3c
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a mass external PDF link farm, with many links pointing to Shopify domains and one critical link to a known malicious redirector. The document body contains the text 'Kaitlan collins reporter' and the malicious redirector URL, suggesting a lure to a phishing or scam page. The primary malicious IOC is the redirector URL, which is likely used to funnel victims to further malicious content.

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=kaitlan+collins+reporter In PDF document text
    • http://files.sidforaea.com/uploads/1/3/1/4/131484603/5225202.pdfIn PDF document text
    • http://files.suefortgensartandprints.com/uploads/1/3/1/4/131438098/8376837.pdfIn PDF document text
    • http://files.sunharbourstudio.ca/uploads/1/3/1/6/131637211/6681972.pdfIn PDF document text
    • http://zovak.thevillestudio.com/uploads/1/3/1/6/131636648/sumoxuwo.pdfIn PDF document text
    • http://files.thecolorboxbymaria.com/uploads/1/3/0/7/130776304/fojibef.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/1/0439/4047/9144/files/72935214716.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3269/9302/files/3643534816.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1247/0422/files/riwuvazaratamofa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4628/1122/files/76924495626.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2440/1063/files/amyotrophic_lateral_sclerosis_pathophysiology.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7877/0076/files/days_gone_gamespot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0258/5500/files/rizivajabefevekosaxijolu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/97046042130.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7253/4166/files/anexar_no_sei.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006550.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6550 4896 bytes
SHA-256: 22c0d9a3695f58dcd4f003e09753b13a68f4ec717f35934fa4abab604f53a0c4
font_01_sfnt_off000075fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75FD 10200 bytes
SHA-256: cb41e731c01c6c161b47a6e8e3d7e86f3cb2859f097e70ed892816f5ca7ba17f
font_02_sfnt_off00009923.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9923 16304 bytes
SHA-256: 0a2507360a40dd56b84230664db2b3a2689cb34b0aa642599c8245950ba374cb

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