Malicious PDF — malware analysis report

Static analysis result for SHA-256 46bc188e673ea79e…

MALICIOUS

PDF

110.5 KB Created: 2021-03-31 22:20:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9d50bceab8c8525fe3022553ce8ebc0d SHA-1: ca99ea44b7be4682bb208d683b0df3a9fb918b8b SHA-256: 46bc188e673ea79ea72c89bc15510658802e4cc579278b15c659d84d2c959643
154 Risk Score

Malware Insights

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

The PDF contains numerous external links, with one prominent URL leading to a suspicious domain that appears to be part of a link farm. The ClamAV detection and ML classifier strongly indicate maliciousness, likely related to phishing or malware delivery. While no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to redirect the user to a malicious site, potentially for further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9751

Heuristics 4

  • 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.
  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://jacksth.ru/award?keyword=deductive+and+inductive+logic+pdf
    • https://virenejamavik.weebly.com/uploads/1/3/4/1/134131854/liturukenefanudu.pdf
    • http://yandex-delivery.cc/52695355787r81tz.pdf
    • http://bluebadge-support.com/sajijobejufotoxasoboso0tf0o.pdf
    • https://sowibize.weebly.com/uploads/1/3/5/3/135348762/f43b170a8.pdf
    • https://fonekukiko.weebly.com/uploads/1/3/5/3/135393218/zusulosujosarez-nirodebigigitu.pdf
    • https://gororumemi.weebly.com/uploads/1/3/4/5/134517819/41b6f25a0eeed.pdf
    • https://zozabamefopofa.weebly.com/uploads/1/3/4/2/134234868/vudom-jopevomemuxako-sakapet.pdf
    • http://ramuwesitavoz.mywebcommunity.org/pdf_binder_filehippo.pdf
    • http://kixiwogazu.sportsontheweb.net/diet_cleansing_drinks_to_lose_weight.pdf
    • https://xaxarudo.weebly.com/uploads/1/3/0/7/130740130/18ab61.pdf
    • https://zubenori.weebly.com/uploads/1/3/5/3/135394140/2ac5c1be938b.pdf
    • http://dobuwiwitevotir.sportsontheweb.net/administrative_management.pdf
    • https://wogefusupe.weebly.com/uploads/1/3/0/7/130740138/kapefofovuremej.pdf
    • https://babixedijifaz.weebly.com/uploads/1/3/5/3/135385025/f1efd0b478.pdf
    • http://totalcreditreport.info/dovuxowofugodika17h92.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/xakajoziwibi/93755556322.pdf
    • https://s3.amazonaws.com/pujirageg/pesupadu.pdf
    • https://s3.amazonaws.com/mesixadelomomo/jadunodefiruma.pdf
    • https://s3.amazonaws.com/fajixe/jefiwegirep.pdf
    • https://s3.amazonaws.com/vovuzize/19810308727.pdf
    • http://lazuletezofik.onlinewebshop.net/poxopani.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000186a2.bin
f98ae629af0a007b7afb73753ed95cc990a290d9b3f80bded8c54cf336cdb885		 pdf-font-stream PDF embedded font (sfnt) at offset 0x186A2 4988 bytes
font_01_sfnt_off000197bb.bin
192dc25441fe603728e435b2f3a54607e945c0c90ba8a8abb886f357ab211a17		 pdf-font-stream PDF embedded font (sfnt) at offset 0x197BB 12248 bytes

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