MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as a malicious PDF by multiple heuristics and a machine learning classifier, with ClamAV specifically flagging it as Pdf.Phishing.Trojan. The PDF contains a link farm pointing to multiple compromised WordPress upload directories, suggesting an attempt to redirect users to malicious content. The presence of external URIs and link farms indicates a likely phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/64eb3ca06aa1c98cfa2bb398cbd83a25/zijinujoreren.pdf
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fbe9c548cde---buvizaboj.pdf
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/305b71371f45665d52061c087866b560/22128672362.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f753ab06cdd---foraguforozap.pdf
- http://drshapard.com/clients/73598/File/5461669347.pdf
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0a5b02bc8---66326164357.pdf
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d786d09b287---vibifituj.pdf
- http://thevelascofamily.com/clients/11614/File/dufomireb.pdf
- http://splogservice.ru/content/file/vasojegiwagavorazafajaral.pdf
- http://jan-fotografie.nl/upload/files/rudan.pdf
- http://hakkabrothers.com/userfiles/file///jejafirobe.pdf
- http://phutungtdc.com/upload/files/sekuloliti.pdf
- http://alhouti.com/userfiles/file/62144190866.pdf
- http://dawahcity.com/userfiles/file/64639211325.pdf
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/lfai3b8uebo979p0e4hco2i7b7/53512844438.pdf
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/bc9a5ad0bb1c051bbc72edd62c324a98/sunoboweziwujugavamukejel.pdf
- http://niestachow.pl/data/aktualnosci_imgs/file/32979961129.pdf
- https://juhaszautovill.hu/userfiles/file/8075889056.pdf
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/610ae646cb52ad377e4216de5926461e/98291982411.pdf
- http://gryfarmerskie.pl/pliki_wyswig/files/xumupuniluduxazu.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075a0e733884---dojolepawiki.pdf
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608823a970b8b---68739628559.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=market+leader+practice+file+intermediate+answer+key
- 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_off0000cfcd.binf915d14c78e34ae24202c17a0ef3a482f71745d860013fd31d044169018575a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFCD | 10944 bytes |
font_01_sfnt_off0000e937.bin391b5449c5d71be9c98825828603f702bd247c112dd8fca4cb785977c9c81dca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE937 | 26732 bytes |
font_02_sfnt_off00011e38.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E38 | 16792 bytes |
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