MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is identified as a malicious PDF by multiple heuristics and a machine learning classifier. It contains numerous links pointing to compromised websites, suggesting a phishing or malware distribution scheme. The presence of a link farm on disposable hosting and links to compromised CMS uploads further supports this malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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 http://northmarking.com/userfiles/files/mubepipobodu.pdf In PDF document text
- http://botosani.ro/img/uploads/file/sutizogaxawutegivene.pdfIn PDF document text
- http://barcabianca.eu/upload/file/86393602431.pdfIn PDF document text
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/4256cd888442e0ad2a964da76f7a1bfe/xujenikogunixi.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c9c6a4e77ed---kefufovusepegaxik.pdfIn PDF document text
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/qfdu7qvs2jpenp63a0hbdn34j7/fumokoramuwareva.pdfIn PDF document text
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/hn0vm8nsp3n5ie95qj073bt6gv/boxanavexivoguj.pdfIn PDF document text
- http://matstravel.ru/userfiles/file/26678836772.pdfIn PDF document text
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160925cf54cb50---46999887623.pdfIn PDF document text
- https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/21klrap7p0b47ntku5j0dto5i8/masamix.pdfIn PDF document text
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/d9d23242fe90a3fd505562aed5044b11/76515897909.pdfIn PDF document text
- https://agatanorek.com/files/file/fizezovutimikilopasopizu.pdfIn PDF document text
- http://boathousebrokerage.com/userfiles/file/87088158562.pdfIn PDF document text
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160aa9f124a44b---92620790063.pdfIn PDF document text
- http://kiuruvedenlukio.fi/tiedostot/file/sozib.pdfIn PDF document text
- http://hrdiborice.cz/erucom1/files/files/saretujutokotiturada.pdfIn PDF document text
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093f30878110---46249362555.pdfIn PDF document text
- https://faresaldabbous.com/uploads/files/jonivijipapagi.pdfIn PDF document text
- http://logo4you.dk/userfiles/file/43338471421.pdfIn PDF document text
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a6e9501e420---94058238616.pdfIn PDF document text
- https://hr-serdahel.hu/images/file/kulitoribivibanozisutolu.pdfIn PDF document text
- https://gsacademy.ge/uploads/files/jizelodur.pdfIn PDF document text
- http://www.odnpoznan.pl/fotki/file/file/gavimovuka.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bb6e154c9d9---sanefadosamamapugu.pdfIn PDF document text
- http://eng.sut.ac.th/tce/2016/administrator/ckfinder/userfiles/files/sajugifodokagodopem.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160d66c97cbb71---49986301150.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=how+to+check+my+airtel+postpaid+bill+onlinePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In 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_off0000ef95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF95 | 11200 bytes |
SHA-256: 60bac20846f9bf3211f34893cb32020ae91b7885e335a85c75d4b16dafb5594b |
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font_01_sfnt_off00010964.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10964 | 17156 bytes |
SHA-256: 157c5d79b3bc3cc6221bff682736feb70b3a4ca6c1358b09b3692516ab635ad5 |
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font_02_sfnt_off00013634.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13634 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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