MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous compromised WordPress sites, a common tactic for phishing or distributing further malware. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. The embedded URLs are designed to lure users to potentially malicious content.
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://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607ddafc272ab---99186480945.pdf In PDF document text
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609a049718dfb---bigenalupalipe.pdfIn PDF document text
- http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b68a1e3b98---26963717810.pdfIn PDF document text
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/42d747b3e5cb13756f9941b948d37e44/36587273938.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094928128815---nadogojezexaporudonax.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/2vja91aa83u3p4fp2e5j1sugd2/34555601017.pdfIn PDF document text
- http://plnjl.com/userfiles/files/raxijajixozujolatepogume.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f2ef3f527bd---48865986894.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/16089471624c8a---43780406480.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160746fcbd395c---10666280010.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f79d19b1b4---kerarudebukujejave.pdfIn PDF document text
- http://inspirationforexcellence.com/clients/66491/File/rerusikekolegu.pdfIn PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/h135mbf2qbsh6q5h5mvbkn6ssp/jejiromomifowakonox.pdfIn PDF document text
- http://greaterdeliveranceministries1.com/clients/61527/File/99507199180.pdfIn PDF document text
- https://habibitoursegypt.com/ckfinder/userfiles/files/41547385220.pdfIn PDF document text
- http://mondoacquapiscine.com/userfiles/files/tojumewegubetare.pdfIn PDF document text
- http://superplasticizer.cn/d/files/dikubuwuxijokizekafetowi.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608efd9037562---19777286854.pdfIn PDF document text
- https://bbpartner.cz/userfiles/file/mobebiwiwixazuripudamose.pdfIn PDF document text
- http://criollo-cocoa.com/userfiles/file/damogatatasaxedudowe.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16084247502b11---94110274059.pdfIn PDF document text
- http://erpsamik.com/ckfinder/userfiles/files/dararujimumuwuwutoxe.pdfIn PDF document text
- https://pk-kuepfer.ch/ckfinder/userfiles/files/sesevizegudujepuvaxewerav.pdfIn PDF document text
- http://extintoresorigen.com/images/editor/nenisuni.pdfIn PDF document text
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c915a8e64fb---92716894436.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=how+to+draw+portraits+with+pencil+step+by+stepPDF 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_off0001338a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1338A | 16848 bytes |
SHA-256: 233417376d1dce375d0020fc6f05332363feac3bd14bdde9fd378a1c53a07385 |
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font_01_sfnt_off00015f8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15F8F | 10940 bytes |
SHA-256: aec46edb8ec64ba31b7612b5fb5b71b68b9e1bb5b7cd78460b5d2f29a6a86d05 |
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font_02_sfnt_off000178a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x178A5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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