MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to distribute malicious files. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as a phishing trojan. The embedded URLs are used to redirect the user to these malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/d74a110c02251dca973c87cfc514bfeb/sabixobusir.pdf
- http://scheidenschiedam.nl/uploads//file/lokovezonomaxire.pdf
- https://nabijdefossa.nl/upload/files/jinopekufowakazi.pdf
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160cfaa0ced33a---81375808770.pdf
- http://angeladaniel.eu/uploads/files/34987593214.pdf
- https://ayurmitra.com/files/file/99960533805.pdf
- http://rjt1.org/upload/files/12814347064.pdf
- http://eortak.com/img/fck_temp/file/pesiwitigawagiko.pdf
- https://sasalidayanisma.org/uploads/file/60565595939.pdf
- https://la-klamm.org/userfiles/file/10998777445.pdf
- https://kermiradiatoriai.lt/images/files/refonuxobizinatogazewo.pdf
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16086bcf2dd650---15830379508.pdf
- http://renovfab-menuiserie.com/userfiles/file/pubetatenetepusikiso.pdf
- http://dekoblickfang.de/userfiles/file/31095002321.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be6a848169c---51876856439.pdf
- http://teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/21885435310.pdf
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/fa666fb1933658f86bbd62b601877252/jepagorumadone.pdf
- https://karapinarinsaat.net/userfiles/upload/file/misagekijanebuzidufono.pdf
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608d82a6c37c7---11924165722.pdf
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd17d78b9e---kudebimuzezem.pdf
- https://tmtteks.com/files/33705119890.pdf
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160a24edfbdbbe---kikevebazibimusa.pdf
- http://studiotravenzolo.it/userfiles/files/91568077944.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=the+lord+be+with+you+and+with+your+spirit
- 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_off00013607.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13607 | 16792 bytes |
font_01_sfnt_off00014e19.bin6deb27b329eaf8ab68994893d120cf703e3e9b5fe59bc96e39eb65c09e8b890a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E19 | 26216 bytes |
font_02_sfnt_off00018b31.bin512dc2db71809ff4d28f339bca7237be52d86c8833b83a1985ef0cf664f9791e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18B31 | 10892 bytes |
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