Malicious PDF — malware analysis report

Static analysis result for SHA-256 252366e2024478bb…

MALICIOUS

PDF

38.2 KB Created: 2020-08-16 00:47:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 059232d42bdc6baf27fac0c9267796b9 SHA-1: d18000382e45c3a6446bd6cdde4d05c66c66bef7 SHA-256: 252366e2024478bb99263002cbfa31d91ba89a4e96ad1fad080ba15df054cf0c
134 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link

The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, also contains this URL, suggesting it's the primary lure. The ML classifier also flagged this PDF with high confidence. The embedded URL is likely intended to redirect the user to a malicious site for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 4

  • 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.
  • 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=license+agreement+template+free In PDF document text
    • http://files.chargedparticles.com/uploads/1/3/0/8/130814295/1675446.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/1/0429/6415/6575/files/18147064463.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6559/0438/files/75289147866.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7065/1542/files/que_es_un_aneurisma.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8039/8486/files/dl_44_blank.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1830/5179/files/44204102412.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5082/5893/files/fundamentals_of_fluid_mechanics_munson.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5653/7493/files/yazaki_cable_catalogue.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 1

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_off000058d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x58D3 5276 bytes
SHA-256: 5b862b7873ac0bb300e397b9967bf7ffc772d68749467314e093fa4e91d4d0ed
font_01_sfnt_off00006aaa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6AAA 9900 bytes
SHA-256: 521367ee5434df849e7bc7015059715ec80a397c7ebcc4e18e2b6cabd6ec4d2b

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