Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce21907f17f74f02…

MALICIOUS

PDF

67.6 KB Created: 2021-03-05 10:50:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 95cdef1fdc4547773b57de0e6a0feb62 SHA-1: f78af5ba0e3c671508df168aadc226a29bda5337 SHA-256: ce21907f17f74f0270dcf44c558bde003374bab28c3372e4316a0acc1c32b031
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The file is a PDF that contains numerous embedded URLs, with one specifically flagged as a link farm on disposable hosting. ClamAV detected it as Pdf.Phishing.Trojan, and an ML classifier also flagged it as malicious. The presence of these indicators suggests the PDF is designed to redirect users to malicious sites, likely for phishing or to download further malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9263

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://botokaw.ru/aws?utm_term=braun+coffee+maker+clean+button+wont+turn+off PDF link annotation
    • http://fixebojamofi.iblogger.org/what_order_do_you_read_the_percy_jackson_series.pdfIn PDF document text
    • http://bujufamamaw.22web.org/wimotuxiv.pdfIn PDF document text
    • https://buxexemap.weebly.com/uploads/1/3/4/8/134890763/1752815920058.pdfIn PDF document text
    • https://refapezi.weebly.com/uploads/1/3/4/9/134904673/731679.pdfIn PDF document text
    • https://fidedelab.weebly.com/uploads/1/3/4/0/134096197/ff0d08fe7.pdfIn PDF document text
    • https://xiligori.weebly.com/uploads/1/3/1/4/131411896/8832528.pdfIn PDF document text
    • http://kukikifo.iblogger.org/retefatidus.pdfIn PDF document text
    • https://nugukijozagesek.weebly.com/uploads/1/3/0/7/130739433/pedugegevidafa.pdfIn PDF document text
    • https://tojewenegekov.weebly.com/uploads/1/3/4/5/134502344/bivodi.pdfIn PDF document text
    • http://wowirozunofifo.iblogger.org/25560526706.pdfIn PDF document text
    • https://gumevimarijefa.weebly.com/uploads/1/3/1/0/131071167/bunusu-kilifi-jutejigoxake-mugepanokagovo.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/ab3af80a-9331-4ede-99ac-9af7a8252fbc/how_many_calories_in_a_large_iced_latte_from_dunkin_donuts.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c099be17-2a66-4bb3-b8ad-2ae5c6c6e394/82560624150.pdfIn PDF document text
    • https://s3.amazonaws.com/lekezaru/brill_dictionary_of_ancient_greek.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a6ccc379-46aa-43b0-a078-87f66ddb25be/13603876524.pdfIn PDF document text
    • https://s3.amazonaws.com/poresi/does_the_soul_have_feelings.pdfIn PDF document text
    • http://vapovalexuma.epizy.com/how_can_you_buy_stocks_before_market_opens.pdfIn PDF document text
    • http://xinirujoki.epizy.com/how_to_program_my_xfinity_remote_to_my_cable_box.pdfIn PDF document text
    • http://siwomiwededu.epizy.com/woodland_bdu_uniform_set.pdfIn PDF document text
    • https://s3.amazonaws.com/xukonakefules/ragosilapexiso.pdfIn PDF document text
    • http://fogiwomagivizu.rf.gd/44634808960.pdfIn PDF document text
    • http://besuvom.rf.gd/88750971131.pdfIn PDF document text
    • https://s3.amazonaws.com/nafibanefexex/84834018392.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6908545e-62f8-40d0-93ca-37eda839d311/get_the_guy_kindle.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ee23.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE23 5192 bytes
SHA-256: a3c38279f8a969086ccca72309ff327cf35ff2f04c3d70472095df09527a269b

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