MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file exhibits characteristics of a phishing lure, as indicated by the 'SE_CALLBACK_LURE' heuristic and the presence of multiple links pointing to compromised WordPress upload directories. The ML classifier and ClamAV detection strongly suggest malicious intent. The document likely serves as a gateway to further malicious content hosted on these compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 7
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd17d78b9e---kudebimuzezem.pdf
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/082ecc478ea6df290419cf4c5f933be8/ginunivenalifilopef.pdf
- https://daleplumbinginc.com/wp-content/plugins/super-forms/uploads/php/files/283749d032eca107d2f62f579365f593/vozagupiz.pdf
- https://my-natural-style.net/upload/files/80544294472.pdf
- https://resulgame.com/calisma2/files/uploads/89737761930.pdf
- http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a7bd04010e---velufofunevimigubijugolox.pdf
- https://rodolphe-blanchet.fr/Rodolphe/fckeditor/file/sodar.pdf
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/16072d4e20ba54---42116418643.pdf
- http://pressvaluation.net/userfiles/file/kabutozuloduriwon.pdf
- http://akicgiyim.com/userfiles/file/11412112566.pdf
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/160833cd43161c---sinekaworiwilokegilovo.pdf
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608df3e40b0e5---52353649967.pdf
- https://chp-travel.ir/data/file/41464927322.pdf
- https://www.ideaklinikankara.com/wp-content/plugins/formcraft/file-upload/server/content/files/160757e5a3326b---rudaguneru.pdf
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a00c9d6031---baxatalesaxojarax.pdf
- http://fotografiafrancescosomma.com/userfiles/files/garurisozafujizujupawo.pdf
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16084d32351037---fomisifurefotamipowuwo.pdf
- https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/802d8006deebf27c687397ac1338ccda/begojimami.pdf
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/r3efmb9jcq6fpt7b2p0karu89h/39716514618.pdf
- http://netinflux.net/userfiles/file/77127746687.pdf
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d92718665e---nejotumib.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=2020+ford+mustang+transmission
- http://janyska.home.pl/_mjanyska2013/fotki/file/44547445050.pdf
- 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_off0000eb64.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB64 | 16792 bytes |
font_01_sfnt_off0001037b.bin16aae616f1c0bb2645108d63d6473808b08770980e7d95c64aece39548470e89 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1037B | 10764 bytes |
font_02_sfnt_off00011c0b.binddf8108571be5b29c91d0c444e72b64ba86eab2acf774ae7df56ae67f0d3903a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C0B | 17152 bytes |
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