Malicious PDF — malware analysis report

Static analysis result for SHA-256 0baba699f0b09589…

MALICIOUS

PDF

79.9 KB Created: 2021-03-18 06:19:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: b502cc9c16c65761b2cdba549247a679 SHA-1: e1eaea1dd3031a7f37ab62503db17e647617fd49 SHA-256: 0baba699f0b095895f3b798cd0b6089c3cff8dc45866d3c4d2e6c881b0586c9d
244 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of embedded links, many of which point to disposable hosting or known malicious redirectors, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support its malicious nature. While no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to redirect the user to malicious sites, potentially for further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://dafemum.ru/strik?utm_term=badger+1-83a+leaking In PDF document text
    • https://rasozonikazip.weebly.com/uploads/1/3/4/9/134904665/seruwonutijonixefe.pdfIn PDF document text
    • https://muxavitegujun.weebly.com/uploads/1/3/1/6/131637584/sades.pdfIn PDF document text
    • http://detonic-deutschland.website/true_story_of_the_three_little_pigst7e6i.pdfIn PDF document text
    • https://razomidubijime.weebly.com/uploads/1/3/4/3/134395635/8a9466d35dad8c1.pdfIn PDF document text
    • https://fasexunatosupa.weebly.com/uploads/1/3/1/6/131606354/zunokevosegew.pdfIn PDF document text
    • https://bewogataxatux.weebly.com/uploads/1/3/2/6/132695278/xijirobukudunukox.pdfIn PDF document text
    • https://sukodijam.weebly.com/uploads/1/3/4/5/134516983/diwetuxenus.pdfIn PDF document text
    • http://bestsaleshopin.xyz/65370491113fy2lo.pdfIn PDF document text
    • http://nowukusox.mypressonline.com/vikamotigegusezuxefujugi.pdfIn PDF document text
    • http://rexonina.medianewsonline.com/present_simple_and_present_continuous_exercises_upper_intermediate.pdfIn PDF document text
    • https://butadagawonor.weebly.com/uploads/1/3/1/0/131070306/rojireg.pdfIn PDF document text
    • https://noxurawikatiner.weebly.com/uploads/1/3/1/1/131163986/belebidojel-jojapevilavuzaf-lufoxipotipitu-makisalulun.pdfIn PDF document text
    • http://dommasters.site/what_are_other_words_for_long_time9mv1t.pdfIn PDF document text
    • https://gugajapu.weebly.com/uploads/1/3/5/3/135330564/4657432.pdfIn PDF document text
    • http://studytogether.fun/ley_de_wattdimjn.pdfIn PDF document text
    • https://lezanixopedem.weebly.com/uploads/1/3/4/8/134886347/jupanegutufare-bikerel-lesevegan-verig.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/c3e068d8-c2fc-43a6-a392-7331984c6e43/rabbit_hole_legal_definition.pdfIn PDF document text
    • https://80b2a579-f9ed-4aa0-b91a-ac3c8973c086.filesusr.com/ugd/353d00_bdd40e3358c44d35ad1bfad8c278f4a1.pdf?index=trueIn PDF document text
    • https://9005a25f-7293-4a73-bb0f-bc58e8c16807.filesusr.com/ugd/e3834b_d9fe05e4bb7d42a8847b4e765366a927.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/931d6499-06f3-4b17-8b1a-fae9fab26f33/radokefebow.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/76988189-0fc0-481d-a149-af6934681366/how_to_create_a_stock_trading_strategy.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1ed6e4b7-0699-4733-b3e0-6c6fe687b5fc/84070814263.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f6b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF6B1 5372 bytes
SHA-256: 7324132c3093a663976cb5cca6f97d53049e9691e290653f1f2c0bdc5052737a
font_01_sfnt_off0001090f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1090F 11900 bytes
SHA-256: 47754ce4283f1013fac3e66602e83073067778f53320790ad4814dd779d35452