Malicious PDF — malware analysis report

Static analysis result for SHA-256 313ddabecbec3675…

MALICIOUS

PDF

33.7 KB Created: 2020-09-19 15:40:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4c6282864d9f0ff85948090e1b73dc9c SHA-1: 18502b16d92cc33aa1bebc40b44baf7dff8852c6 SHA-256: 313ddabecbec3675f84d0bc569c8690bbe3b97848bf6bdf2e9ac38b01af3a401
184 Risk Score

Malware Insights

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

The PDF document contains a mass of external links, including one pointing to a known malicious redirector. The document body text, while garbled, contains a URL that appears to be a lure for free movie streaming. This suggests the document's primary purpose is to redirect users to potentially malicious websites, likely for phishing or malware distribution.

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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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.club/wix?keyword=watch+hollywood+suspense+movies+online+in+hindi In PDF document text
    • http://files.northernbeacheseisteddfod.com/uploads/1/3/1/6/131637291/3639444.pdfIn PDF document text
    • http://wobudefo.radicalwhispers.org/uploads/1/3/1/1/131163763/1d8fb07be.pdfIn PDF document text
    • http://gijavuro.totalbusinesswebsitesolutions.com/uploads/1/3/0/7/130739892/ziwimewo.pdfIn PDF document text
    • http://pinof.katdivinepsychicmedium.com/uploads/1/3/2/7/132741136/pidoxetipafi-zevipeje-rujapenekixoga-legaxijirijaxen.pdfIn PDF document text
    • http://mekud.caseyscurbside.com/uploads/1/3/1/6/131606262/4f48bad9f63ee6d.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://a0ab3669-0381-4529-bb59-02f1261e2f27.filesusr.com/ugd/3794ad_b30d1ffe97cf45cf89c729075877057d.pdf?index=trueIn PDF document text
    • https://e296132f-713d-4b90-8e00-a9f7a20d2e5d.filesusr.com/ugd/9734e7_180f60add2f4422a8352ae4593aeffb3.pdf?index=trueIn PDF document text
    • https://c17213b2-6886-45e8-b746-2e959184a040.filesusr.com/ugd/804ff6_5da1b84f3abb493bb6b140cb264972d1.pdf?index=trueIn PDF document text
    • https://f22c1421-a7ee-497a-a8f4-7a2321ce8b1a.filesusr.com/ugd/10a4aa_50b4115266e94d2fa20aa6423f2fe0a3.pdf?index=trueIn PDF document text
    • https://e4b714fc-59ae-4260-a03c-dd4628ef97e8.filesusr.com/ugd/d2057d_94cc1fd02a42441da66bfa7e3d3e02f5.pdf?index=trueIn 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 8

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_off000046ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x46CA 5484 bytes
SHA-256: 313cde07e54c238ac904fbefbd9fa89564ab4313c1e5c6b1aac87839a5c83216
font_01_sfnt_off00005973.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5973 9564 bytes
SHA-256: 0b7c9c00ee7e121d86d08e11a9d00e958e5343c2e037321125890c2e8cdf9d60

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