PDF malware analysis — malicious · 72d6b3002e7bb514

MALICIOUS

PDF

91.5 KB Created: 2021-05-16 01:42:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 03273df4ec2bd99e9d6f21a48652f288 SHA-1: 3be1da6462f50527c57542233d1f1bde8090cf3a SHA-256: 72d6b3002e7bb514362865266aedd35955ae95dc1a7fb00aff5cb9f7ca92332e

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file contains a large number of external links, many of which point to compromised WordPress sites. The ClamAV detection and ML classifier indicate malicious intent, likely to lure users to malicious sites for further exploitation or phishing. The presence of numerous links on disposable or compromised hosting suggests a link farm designed to distribute malicious content or facilitate phishing campaigns.

Machine Learning

Nyx PDF Classifier malicious score 0.6663

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM

PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160715f6119f3e---ximipejekemekakegebafo.pdf In PDF document text
- https://atcotourismtravel.com/userfiles/file/67015707686.pdfIn PDF document text
- http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/16090bc846cd8b---73348157665.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a2782c290e---97736989718.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/982d09ed02e8c6156000268cc0e2fd42/matidej.pdfIn PDF document text
- http://www.deep2001.com/images/library/File/75290783546.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/16094bbdebf0ee---bedivitufurapazezu.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/160789070d5b25---jedabufikuwijixoz.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/nfcfu60d1nqp8rc5bgt6r4hsno/wufiw.pdfIn PDF document text
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a03f26e036a---radutumovimojovized.pdfIn PDF document text
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/16073e215c13f0---40901911785.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/db37693nofo3kug31osbj1q171/nelilavudewarumu.pdfIn PDF document text
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/5a044376dd90ce0e640526f465eaf6ad/rubowegopujovisisibezipoz.pdfIn PDF document text
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/b27fe1bf98a8f31f0e6f2c601b174943/70165165455.pdfIn PDF document text
- https://daleplumbinginc.com/wp-content/plugins/super-forms/uploads/php/files/6b5d7faef5484fe539429764c2de2664/jezozusugudatizulek.pdfIn PDF document text
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/80e68acd9aa1de7f0c16444fd6faf8ef/68806018967.pdfIn PDF document text
- https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/5a87a6b8560de97e18383baff93f6f7e/moxakos.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/PmAiG5ZyT-k/uplcv?utm_term=carry+on+movies+s+freePDF link annotation
- http://scripts.sil.org/OFLIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00012313.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12313	4948 bytes
SHA-256: `abbdf6cfa4c01c825051000ae0ea4b8d98065ed29b52fab8f594e661b8af8845`
`font_01_sfnt_off000133de.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x133DE	11316 bytes
SHA-256: `cb5d25d1824bae854fd883a53837cdff1e75bc4e08e2f28db0027247107e8675`
`font_02_sfnt_off00015a64.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x15A64	16060 bytes
SHA-256: `2173a1880e9f774f759393e7d0d28dda91d04d8a3eae6bea41b822770b343b90`

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