Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2c82fe1cfb09200…

MALICIOUS

PDF

43.6 KB Created: 2020-08-19 18:14:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: dabcfe55037c55a23ca57d9ebefa7695 SHA-1: fcf98a530ac306999308aa36a2afbeab1a29558a SHA-256: c2c82fe1cfb09200529b459077cad810a6083a985b919cd618834a869e352828
194 Risk Score

Malware Insights

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

The PDF contains embedded links that point to known malicious redirector infrastructure, specifically 'ttraff.com'. The ML classifier strongly indicates maliciousness. The document body, though heavily obfuscated, contains the same redirector URL. The presence of numerous links to external PDFs, many hosted on Shopify, suggests a link farm or SEO poisoning attempt to lure victims.

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=g+eazy+endless+summer+freestyle In PDF document text
    • http://files.hertsyfc.com/uploads/1/3/1/6/131606431/lufuwikezalup.pdfIn PDF document text
    • http://lanesapos.bfestudios.com/uploads/1/3/1/4/131406717/8125832.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/1/0429/8578/3447/files/96040177343.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5436/6877/files/wililibedemuguvasaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7106/2684/files/50648618767.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3991/5164/files/43629897461.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8143/3242/files/96037018469.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5404/7137/files/5941235649.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1297/9879/files/jumixutavodotosik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2539/2035/files/bought_or_brought_worksheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/67641838088.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5576/6942/files/jifakuvuzizizopu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6222/9142/files/69587856197.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8990/3264/files/jepofewejuxudupofifij.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_off00005841.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5841 5236 bytes
SHA-256: adf49d1fdb029001f9763c732da08d92a5b6820fa49e6ec407dd5755260b9f39
font_01_sfnt_off00006a0f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A0F 10028 bytes
SHA-256: e95f46c29f2e6fa09cda3512b02d40bab59f48adaa2ea0a6cc6d6b076d6cd369
font_02_sfnt_off00008c9a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C9A 16060 bytes
SHA-256: 10572f3a10760712fbb8352e098d229fd21f48763f52fb6fd9385479015ceb58

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