MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links pointing to other PDF files hosted on various domains, many of which appear to be compromised CMS uploads. This structure is indicative of a link farm designed to distribute malicious content or conduct phishing attacks. The ClamAV detection and ML classifier strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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://amdind.com/userfiles/file/femebojerojebozosip.pdf
- http://consulcongress.it/uploads/assets/file/navusomot.pdf
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5db8f289d---68159243836.pdf
- http://www.grupoaccs.net/ckfinder/userfiles/files/fodajiguvuzupenexabegumav.pdf
- https://bamfieldrental.com/userfiles/file/69428708457.pdf
- https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/bae44eb815e021d31bfa48a4b29aca65/76592705474.pdf
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b97b06909ec---99024210775.pdf
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608242fa12955---besasufabevivurop.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608686ae91204---lufufojibixedowenafarewu.pdf
- http://toyotacri.com/userfiles/files/31196366553.pdf
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607412cdcb457---75403966439.pdf
- http://hydrem.ru/images/file/2988647892.pdf
- http://furniture83.com/upload/files/93950479739.pdf
- http://myshopekerala.com/userfiles/file/38447719813.pdf
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086b98d3a0a3---22557237060.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/ek2mm1p3jdk69p43l81507qdc4/26998066872.pdf
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/61bb3f0d8bea5d0cb5cc0680c9fe9a03/kimezif.pdf
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/g3apraiecajgqgt3ftan2b1379/livoritoriredigiwuv.pdf
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/bb001a5fca3564c9fb0c33f4727c28f0/nasukonaba.pdf
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aedd132fddf---73144283675.pdf
- http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c29e899df9---bebotapevapowawokotasub.pdf
- http://prosquash.by/data/71504482784.pdf
- http://www.verneteco.com/ckfinder/userfiles/files/31224584077.pdf
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/fca64ec805e138250d339ccf1ba777be/36613696400.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160bfeb3dc5097---gakobadedijugadopirafa.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=the+hunger+games+chapter+7+summary
- 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_off00010dc8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DC8 | 16792 bytes |
font_01_sfnt_off000125df.binec04f86620da14441a651f924a1053354954cb7c179df64025faaa72a4ce1f05 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125DF | 10788 bytes |
font_02_sfnt_off00013ea6.bina91c3a45c5bb6b4a8436e702eabb918020a68a95a33d40bcfaf0a274433a44f5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13EA6 | 16272 bytes |
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