PDF malware analysis — malicious · f5435bdb38bd35d0

MALICIOUS

PDF

61.0 KB Created: 2021-04-16 18:13:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-17

MD5: 7871db967e128fb9527fd63ab06686db SHA-1: 09903e2bb184d60edc8393da5ac6184160d81d53 SHA-256: f5435bdb38bd35d04560be7f6bd989d020d26b3ea51bb4b183ea700ab5b59261

124 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, many pointing to disposable domains or link farms, suggesting an attempt to redirect users to malicious sites. The document body, though heavily obfuscated, contains keywords related to firearms, likely serving as a lure.

Machine Learning

Nyx PDF Classifier malicious score 0.7822

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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://ambrose.edu/sites/default/files/webform/kepasibadugemefobovabo.pdf In PDF document text
- https://www.enwidth.com/sites/default/files/webform/resumes/lerudaxalopavowurugepoviw.pdfIn PDF document text
- http://klm3fg.grhosting.cz/sites/default/files/webform/files/30253637425.pdfIn PDF document text
- https://www.enwidth.com/sites/default/files/webform/resumes/bemefunojupupik.pdfIn PDF document text
- http://www.pbttphtk.gov.my/sites/default/files/webform/vojazasazobixupolaxi.pdfIn PDF document text
- http://cicatsalud.com/html/sites/default/files/webform/19824170549.pdfIn PDF document text
- http://www.grotekeukens.be/sites/default/files/webform/gmawards2018/jebumimebugamoto.pdfIn PDF document text
- https://www.a1touchsolution.nl/sites/default/files/87400145234.pdfIn PDF document text
- http://www.grotekeukens.be/sites/default/files/webform/gmawards2018/sumeli.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/DOqCt-cVA4I/uplcv?utm_term=what+shotguns+can+slam+firePDF link annotation
- https://lib.asu.edu/system/files/webform/simadovi.pdfIn PDF document text
- https://www.ice.cam.ac.uk/sites/www.ice.cam.ac.uk/files/webform/17420147243.pdfIn PDF document text
- https://printandmail.princeton.edu/system/files/webform/85064040694.pdfIn PDF document text
- https://www.healthdata.org/sites/default/files/resumes/68382108709.pdfIn PDF document text
- https://www.healthdata.org/sites/default/files/resumes/mavesoriv.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_off0000df4e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDF4E	5308 bytes
SHA-256: `edb101355fb1f5ec975bccbb93a8303be60fdd954864b6f0a074a09beafb37a5`

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