PDF malware analysis — malicious · dce9c825682549f0

MALICIOUS

PDF

63.6 KB Created: 2021-04-07 14:45:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-07

MD5: 6359977b0b861de1b15691f3a16fdac6 SHA-1: 644da0a50eae24cfacb52b74250f6964bd57ae3c SHA-256: dce9c825682549f006f81569952d38deb3c32e35590647e19f1ed0a248ff25e4

124 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains numerous embedded URLs disguised as search results, specifically for 'Bhagavad gita book pdf hindi'. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The document body, though heavily obfuscated, contains text related to the search query, reinforcing the lure.

Machine Learning

Nyx PDF Classifier malicious score 0.8125

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://www.jwico.com/sites/default/files/webform/66271497470.pdf In PDF document text
- https://web.liderpapel.com/sites/default/files/webform/kivalin.pdfIn PDF document text
- https://www.telluridescience.org/sites/default/files/tstc-applications/90077644064.pdfIn PDF document text
- http://www.pacificsportfraservalley.com/sites/default/files/webform/12938533755.pdfIn PDF document text
- https://www.dgs-interparts.be/sites/default/files/xufatonapa.pdfIn PDF document text
- https://ambrose.edu/sites/default/files/webform/48232920683.pdfIn PDF document text
- http://www.friendlycc.com/sites/default/files/webform/fajabenofedutetigolexid.pdfIn PDF document text
- http://www.muttypawsacademy.com/sites/default/files/webform/vaccines/30199048500.pdfIn PDF document text
- https://grossenbacher.co.nz/en/system/files/avoidance-training-certificates/87762274679.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=bhagavad+gita+book+pdf+hindiPDF link annotation
- https://thesanfordschool.asu.edu/sites/default/files/webform/31460711967.pdfIn PDF document text
- https://community.princeton.edu/system/files/webform/jidubiziro.pdfIn PDF document text
- https://campusrec.princeton.edu/system/files/webform/wawojamifot.pdfIn PDF document text
- https://printandmail.princeton.edu/system/files/webform/zixulupuritijidegebi.pdfIn PDF document text
- https://ec.europa.eu/eip/agriculture/sites/default/files/webform/vojevo.pdfIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000e161.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE161	5308 bytes
SHA-256: `80ff89995bf8f3bb568229607982527fba427d11a2912374e2a430f70dc43006`

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