Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ec900be429fa206…

MALICIOUS

PDF

58.6 KB Created: 2021-03-23 20:57:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-08-20
MD5: a459034baddec1ff2700c09ff5fe1fec SHA-1: d8f92eb5794bf71279c78baba9a4a654fedd96d5 SHA-256: 8ec900be429fa206b42dc542088f663b9cbf0039f6cb2968181c763d930114fa
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as malicious by ML classifiers and ClamAV, and contains numerous embedded URLs pointing to disposable hosting. The document body, though heavily obfuscated, suggests a lure related to 'Bhagwat geeta saar in hindi audio' to disguise the malicious intent of directing users to a link farm. No scripts were extracted, but the PDF structure and URL heuristics indicate a phishing or redirection attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9754

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://jottigo.ru/aws?utm_term=bhagwat+geeta+saar+in+hindi+audio PDF link annotation
    • https://vufoduvetuf.weebly.com/uploads/1/3/5/3/135302170/1905401.pdfIn PDF document text
    • http://posadukik.getenjoyment.net/38232583180.pdfIn PDF document text
    • https://sovanomi.weebly.com/uploads/1/3/5/3/135337195/dosolaxajarixu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413697/normal_5fd9f1e5d92da.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4408346/normal_5fcca6becf27f.pdfIn PDF document text
    • http://jevafurevozu.mygamesonline.org/blank_la_fitness_cancellation_form.pdfIn PDF document text
    • http://vostokzapad.su/diablo_3_wizard_tal_rasha_disintegrate_build5mv15.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4483586/normal_600a4d1a79cc7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4462073/normal_5fe012b0999da.pdfIn PDF document text
    • https://zapamapat.weebly.com/uploads/1/3/0/7/130775391/juzikizizimezez.pdfIn PDF document text
    • http://msertis.xyz/zomijejirujijikirifafumowx5vk.pdfIn PDF document text
    • http://wisatemubudu.medianewsonline.com/algebra_2_textbook_online.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454290/normal_605037645c1ac.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4466391/normal_5fc5d0f699e2a.pdfIn PDF document text
    • https://nupuwumot.weebly.com/uploads/1/3/5/3/135305030/gemafomofapam.pdfIn PDF document text
    • http://quickpapp.online/innocent_thing_full_movie_eng_sub0vw3e.pdfIn PDF document text
    • http://xolokukifimiv.sportsontheweb.net/luis_vaz_de_cames_biografia.pdfIn PDF document text
    • http://jegoxijiruvika.22web.org/autobiography_of_a_pen_in_3000_words.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369330/normal_5fe825177fbe0.pdfIn PDF document text
    • http://wagageraxinizu.rf.gd/resumen_barcos_que_vuelan.pdfIn PDF document text
    • http://bumerezuwo.epizy.com/puzoxoxomaduzosonodijirow.pdfIn PDF document text