Malicious PDF — malware analysis report

Static analysis result for SHA-256 f234096ce1109b35…

MALICIOUS

PDF

40.3 KB Created: 2020-08-04 18:04:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 16af0682d687156159b1c82ae628bb4b SHA-1: 1e7745c7c12099941ba0e6a67857891ad296d025 SHA-256: f234096ce1109b35e35e19f52da182709fe4e2ab9b2ea5e6d168433ba341545c
194 Risk Score

Malware Insights

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

This PDF document is designed to appear as a free dictionary download, but it contains numerous embedded links. One of these links, https://ttraff.cc/pify?keyword=english+to+nepali+dictionary+pdf+free+download, is a known malicious redirector. The document's structure and the presence of a link farm indicate a social engineering attempt to drive traffic to malicious infrastructure.

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=english+to+nepali+dictionary+pdf+free+download In PDF document text
    • http://guwepape.monaghanlab.ca/uploads/1/3/1/4/131407535/1e11756.pdfIn PDF document text
    • http://files.stpaulsspringvalley.org/uploads/1/3/1/4/131483685/mujagumeweburo_zenupobapar.pdfIn PDF document text
    • http://files.ovalkorea.org/uploads/1/3/1/1/131164250/47c5b1d7e5e9ba7.pdfIn PDF document text
    • http://files.andreapoe.net/uploads/1/3/1/1/131164456/0a29635d965.pdfIn PDF document text
    • http://files.nedrapezoldroberts.com/uploads/1/3/2/3/132302892/d5fc7c52acd5188.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/1/0435/1960/6936/files/74831741970.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8852/7006/files/super_crazy_looms.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/80278007767.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0776/9750/files/stryer_biochemistry.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4376/3862/files/35467598203.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0980/9318/files/quick_sort_in_python.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pawatofamilafal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1184/9890/files/93654574199.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0568/1562/files/71454843462.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 3

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_off00005e82.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E82 5568 bytes
SHA-256: 0ce4c638e4245493ab24cf360a2b7b66d8231b52032e78cb0ea78942499ded04
font_01_sfnt_off0000718b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x718B 10024 bytes
SHA-256: 09c33f357ae27c5f92c96554bf50b226a76a70e6cc5b056a710cdec41958afca

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