PDF malware analysis — malicious · fb28d03ad558bd1b

MALICIOUS

PDF

67.8 KB Created: 2021-09-23 23:06:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-24

MD5: 4c60aa20b99eba1acbc0a4946229c9bd SHA-1: 3319bdfd86d79da5287499c42d888a0ca1c83062 SHA-256: fb28d03ad558bd1bf13f905836ca92a7b57d09261049ed1d6fe9cc50d04bf345

124 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.8205

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://cfi-registration.org/buzzboxgift/img/userfiles/files/loxunasiverakowi.pdf In PDF document text
- http://dsagco.com/Upload/file/60168632805.pdfIn PDF document text
- http://chinalabware.es/d/files/xafugamiberukuri.pdfIn PDF document text
- https://serviceservice.eu/userfiles/file/jenowazugig.pdfIn PDF document text
- http://konstruktor33.ru/app/webroot/files/files/viniretibivedububi.pdfIn PDF document text
- http://www.forteks.com.br/admin/ckeditor/ckfinder/userfiles/Images/pasagitisavirubovumopug.pdfIn PDF document text
- http://islenapuntos.com/campannas/file/26257132986.pdfIn PDF document text
- http://cudicio.it/images/file/42928513825.pdfIn PDF document text
- http://xn--80aafbkbafwdti1ahihccrg.xn--p1ai/pict/file/bilobiduzotedajose.pdfIn PDF document text
- http://mientrungland.net/uploads/image/files/59107803136.pdfIn PDF document text
- http://mmckno2010.zkosuchdol.info/files/leketugugofizifugo.pdfIn PDF document text
- http://leruichem.com/upload/files/ruxugekuzolaba.pdfIn PDF document text
- https://csn-alliance.com/data/files/kajatukozutinog.pdfIn PDF document text
- http://ncdesign.it/userfiles/files/21357136145.pdfIn PDF document text
- https://www.dooleysnaturalgas.com/ckfinder/userfiles/files/piparinamolifiwem.pdfIn PDF document text
- http://doggystylzgrooming.com/admin/photos/file/58940382699.pdfIn PDF document text
- http://prospekt-rostov.ru/ckfinder/userfiles/files/lisokokumezamopejawi.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132810e32b29---kanesifexajan.pdfIn PDF document text
- http://infinivideo.hu/sites/infinivideo/files/59651494621.pdfIn PDF document text
- http://harckocsik.hu/userfiles/file/8927682426.pdfIn PDF document text
- http://romanasulcikova.cz/userfiles/sawoxenolekata.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=tasty+planet+4+apk+modPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000d2f8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD2F8	17148 bytes
SHA-256: `e5a6cd308ac7432d8c767a0ba2ba4c9341370eb0e4a2728308e52db8c49322ae`

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