PDF malware analysis — malicious · a355a0452ca505d7

MALICIOUS

PDF

46.2 KB Created: 2021-03-09 21:15:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 1dc5e9ffe961b01e2ff309c149ac07f7 SHA-1: 45085a57f76072187b47c5c95b5f0944cd931166 SHA-256: a355a0452ca505d7482b08b663d58a498ba2178a96d4577893a40eb2c00d497f

124 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.7903

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://ponafet.ru/award?keyword=public+health+nutrition+michael+j+gibney+pdf PDF link annotation
- https://cdn.sqhk.co/napumefu/jgNgjup/valgame_dios_in_english.pdfIn PDF document text
- http://xokubenafap.66ghz.com/xodefefametemubevotizoj.pdfIn PDF document text
- http://groby-ritual.online/amazon_software_development_engineer_interview_roundshuhaj.pdfIn PDF document text
- http://lasleymarkt.ru/senior_mining_engineer_salary_ukira4p.pdfIn PDF document text
- http://hackins.site/equilibrio_rotacional_ejercicios_rest9za1.pdfIn PDF document text
- http://qrastenmap.online/cardinal_and_ordinal_utility_theorynza9r.pdfIn PDF document text
- https://cdn.sqhk.co/deloreba/xzvjehH/63535808831.pdfIn PDF document text
- https://cdn.sqhk.co/xonafelog/iaaihjb/51107024963.pdfIn PDF document text
- http://lezepubaj.iblogger.org/juturovazusevisuxe.pdfIn PDF document text
- https://cdn.sqhk.co/rexadiwixox/hfrhcjh/bmat_assumed_knowledge_guide_2019.pdfIn PDF document text
- https://cdn.sqhk.co/pefemezized/hgfUNbb/41066152018.pdfIn PDF document text
- http://groby-ritual.online/zedugukezixebafipoxebut23vcx.pdfIn PDF document text
- http://itanah.space/junesa3a537.pdfIn PDF document text
- http://molotkov.site/xxx_video_playertnyn5.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8e9f6499-4719-48a5-bcfd-3ccbe51a16b7/zoraji.pdfIn PDF document text
- https://s3.amazonaws.com/jipowumat/array_java_tutorial.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ca02d48c-6856-436a-acf3-f9ad7ddb1a8f/20624497115.pdfIn PDF document text
- https://s3.amazonaws.com/mesixadelomomo/drakengard_1_guide.pdfIn PDF document text
- https://s3.amazonaws.com/xarojapi/scanned_to_word_ocr_online.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a2b5309c-0924-4f9d-b7f3-35f48182d31e/48786312191.pdfIn PDF document text
- https://s3.amazonaws.com/rijaliwiguvex/pulogamizezubirokikaz.pdfIn PDF document text
- http://motakajukig.epizy.com/95749465861.pdfIn PDF document text

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