MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains a link farm pointing to compromised WordPress sites, which likely serve as a distribution mechanism for further malicious content. The presence of multiple unknown URLs hosted on these compromised sites suggests a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne 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.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab50291338f---xerejanazu.pdf
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074a54c7676b---dolujiwa.pdf
- https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/e7c06b65cbc4eea0ae2aded7c05aec20/66175198178.pdf
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071f5b70b958---43515308789.pdf
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/d7df5fd35b6d31b45ac6c708f5a98f7c/bopaxu.pdf
- https://juhaszautovill.hu/userfiles/file/90802682947.pdf
- https://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/872b3b8aecfd64704426da8860d98b64/balajexopaded.pdf
- http://propertiproperty.com/Uploads/userfiles/files/57312437033.pdf
- https://www.ideaklinik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160736843e09ce---64957013632.pdf
- https://www.elitelawnsolutions.co.uk/wp-content/plugins/super-forms/uploads/php/files/51nngsin1d3mtbkelok7knsvcb/bizoxinomosubena.pdf
- https://anpheatingandac.com/nbloom/fckuploads/file/wakuvanexesopik.pdf
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/cce9e40ff24e2114c54ceb2de075b11a/pebesafobipuputazek.pdf
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c5f468a9ea5---vamotesuju.pdf
- http://vzwsportenmuziek.com/content_docs/53324035451.pdf
- https://dukra.sk/editor_uploads/files/dixazepili.pdf
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c70ba56702---99172794525.pdf
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160c03591eb3b0---80254723848.pdf
- http://studioarchperissinotto.eu/userfiles/files/30614614559.pdf
- http://dogalakustik.com/depo/sayfaresim/file/63952110509.pdf
- https://cgeminfos.ma/upload/file/fukubokali.pdf
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607770a47fa48---42129092216.pdf
- http://cameralehiep.com/hinhanh_fckeditor/file/mupogusalefuzidil.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=streaming+film+fantastic+beasts+the+crimes+of+grindelwald
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00013bfe.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BFE | 16792 bytes |
font_01_sfnt_off00015410.bin3e006d66be54988b080d9a97b6c1306eb98bcc8b9ff333281affe345ba2b7c6c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15410 | 19124 bytes |
font_02_sfnt_off00018636.bine023a8b4279e134801e88456932f87faca0a94546107c7709088c7e6b1b9c3f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18636 | 11224 bytes |
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