Malicious PDF — malware analysis report

Static analysis result for SHA-256 32a7eacecd036a92…

MALICIOUS

PDF

38.9 KB Created: 2020-08-21 00:19:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c47dfbec3a400fdeaa285e2ea666c751 SHA-1: 8fc6beab6c074dfe600173add228f16c59f26525 SHA-256: 32a7eacecd036a926249b46460995ede71dba08cb59cf932d47d839513ab1c45
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.ru/pify?keyword=duet+anjali+anjali+song+free'. The document body, though heavily obfuscated, also contains this URL, suggesting it's the primary lure. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy to obscure the malicious destination. The ML classifier strongly supports the malicious nature of this PDF.

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.ru/pify?keyword=duet+anjali+anjali+song+free In PDF document text
    • http://siruj.nicolahyslop.com/uploads/1/3/2/6/132695569/4d60d912993c.pdfIn PDF document text
    • http://ripuxoz.district4trials.org/uploads/1/3/2/3/132303382/wifuseramilire.pdfIn PDF document text
    • http://files.bialigy.com/uploads/1/3/2/3/132302924/4762583.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/1/0428/4229/2390/files/18279556128.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1657/6424/files/serulizu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0115/9585/files/kudumejasaxukaredufo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9569/5265/files/22971823703.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0311/7719/files/42719320548.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4496/1442/files/nixodotikonogan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0091/4343/files/15922979757.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9521/2697/files/12900347688.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5072/7584/files/56315270222.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 2

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_off00004ce1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4CE1 5008 bytes
SHA-256: 491aaa94f1ff15af171640edd6d77f245418352ce31aad9b9eb5d5e8d61353e4
font_01_sfnt_off00005e0d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E0D 15580 bytes
SHA-256: 4eb548ce67a2e0ba7b785ebdbd35f0f873d1d17dd1b91f3a5915b1fb318771a1

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