PDF malware analysis — malicious · a773a6f35530afad

MALICIOUS

PDF

55.5 KB Created: 2021-04-11 11:01:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-13

MD5: 1fcffd87c32cd6f66ecab3e1b167a819 SHA-1: 03f74beb56167a99a6b1aec979fed05241d4c19d SHA-256: a773a6f35530afada5dd33d30ed48aee93513b72ad97a209122786081837f450

124 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains numerous embedded URLs disguised as links to download a game modification, which is a common lure for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded links suggest it's designed to redirect users to malicious sites.

Machine Learning

Nyx PDF Classifier malicious score 0.8067

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 http://www.guninetwork.org/system/files/webform/heirri_proposals/74543186253.pdf In PDF document text
- http://www.friendlycc.com/sites/default/files/webform/16921441106.pdfIn PDF document text
- https://aboss.by/sites/default/files/webform/vobefoxejajizagosoberob.pdfIn PDF document text
- https://www.blplegal.com/sites/default/files/webform/58709767715.pdfIn PDF document text
- https://architecturaldesigninc.com/sites/default/files/36110977311.pdfIn PDF document text
- https://grossenbacher.co.nz/en/system/files/avoidance-training-certificates/tojawi.pdfIn PDF document text
- https://www.mothercare.ro/sites/default/files/webform/resumes/xigidaz.pdfIn PDF document text
- http://oaklandchildcare.org/sites/default/files/webform/zomosazufexebale.pdfIn PDF document text
- http://www.pbttphtk.gov.my/sites/default/files/webform/1232685222.pdfIn PDF document text
- https://www.jsif.org/sites/default/files/webform/meratasadif.pdfIn PDF document text
- http://cicatsalud.com/html/sites/default/files/webform/sidetarebuw.pdfIn PDF document text
- http://www.muttypawsacademy.com/sites/default/files/webform/vaccines/72246142748.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+download+lspdfrPDF link annotation
- https://www.vub.be/sites/vub/files/webform/43319512550.pdfIn PDF document text
- https://minorsoncampus.princeton.edu/system/files/webform/posilo.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_off0000c9b9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC9B9	5088 bytes
SHA-256: `f419c09d4c494ba870084627db386d824bc111ce4324f78557257d285ecaa315`

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