MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm pointing to compromised WordPress sites and disposable hosting, designed to redirect users to malicious content. The embedded URLs and the heuristic firings indicate a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/e8b2af021d4245245d0ced975289b519/dizovuvozusinefasefarisa.pdf
- https://clickkedai.com/userfiles/file/gasabobagulunuf.pdf
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/8af8a7d5a18601677613a50fbca966e1/90680934819.pdf
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607560880600c---78567543568.pdf
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6cfa21296---18714353212.pdf
- https://zold-kommando.hu/files/wovajaxusilipibijumujewew.pdf
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/qb01a62jicq9fum9pr8ipkcg01/42623737596.pdf
- http://imssp.by/data/images/fxeditor/file/78771108865.pdf
- http://hogan1973.com/clients/d/d4/d4eda5e2427b34f3a15374adde9a77da/File/55392876652.pdf
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7cfd267fb5---xegisipekedimodopifopi.pdf
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b37313f0fac---32044458611.pdf
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/16073e6a91b48e---68799246119.pdf
- https://www.elitelawnsolutions.co.uk/wp-content/plugins/super-forms/uploads/php/files/4s7kk14528nmq2sg3pu0b77a53/6004632802.pdf
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/d072f46520d8506a916f8e7d30daeae1/wajadetijexur.pdf
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160748b5e3a54e---49752710142.pdf
- http://favorit.pl/userfiles/file/lotudilojojapaz.pdf
- http://mxm-hosting.nl/img/editor/file/79462380581.pdf
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160844813d8cf5---37137789953.pdf
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc60811cad---dolofufenasagipux.pdf
- http://www.elitagida.com.tr/wp-content/plugins/super-forms/uploads/php/files/gm80kh6sgguudc06dfm929nsk6/tajisilirexitonitabewufad.pdf
- http://geose.ru/userfiles/file/43224440001.pdf
- https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d8839b45b50---womonefikobubogawala.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=why+won%27t+my+mac+do+a+software+update
- 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_off0000f063.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF063 | 16792 bytes |
font_01_sfnt_off00010875.bind3d9234b3089a1b272317545c8bf334854e90783f092ac18bbd0b011cecb4f61 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10875 | 17028 bytes |
font_02_sfnt_off000134b6.bin8582f40cb73d6a257b986f7cb390743e947cda82ffc5ef36963911df02dbab23 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134B6 | 11076 bytes |
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