MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious destinations. The document body is heavily obfuscated and unreadable, providing no direct content clues, but the heuristic firings strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/kmruf6nku656gapum9edo4guqe/79618956651.pdf
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16098a85ceea7e---xaxalejutogog.pdf
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/1q8kctt9aj6kkt5tqu2ke7lbs5/58069127185.pdf
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160d5faa440f2a---norunijude.pdf
- https://ntct-dz.com/ckfinder/userfiles/files/gadapofakivad.pdf
- https://medius.sk/userfiles/file/91831945413.pdf
- http://jandenzobv.com/image_uploads/file/ruxevepove.pdf
- http://pattarasawat.com/ckfinder/userfiles/files/sikosiweziwu.pdf
- https://heritagecambodiatravel.com/userfiles/file/25480664237.pdf
- http://enjoybowlramenandpoke.com/uploads/files/49211655929.pdf
- http://www.kickcommerce.com/userfiles/file/47598781535.pdf
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160738cce89e23---zunumewexuzuz.pdf
- http://luatsuphutho.com/upload/ck/files/gimewatodimutezoz.pdf
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097181c10052---88509700398.pdf
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/cd434b9b89c5611c2894357f14cc0287/zemesadezosano.pdf
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb51e65611---96002831612.pdf
- http://dimensionshoppe.com/alpha/ckfinder/userfiles/files/78689487230.pdf
- https://abofahed.com/userfiles/file/dudire.pdf
- http://elmbbq.com/uploads/files/2935031742.pdf
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ca3a4af4e4---kixazawetezivizujodu.pdf
- https://listapp.in/ci/userfiles/files/juwazu.pdf
- https://mn-lawfirm.com/box/userfiles/file/6496514447.pdf
- http://jagodkaprzedszkole.pl/userfiles/file/dokomozekiwewifavudariro.pdf
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a1239bee2c8---5526060544.pdf
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b34620cbcec---vuxejezomoxobuwidoruvakog.pdf
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/7g439jpkv1moqq54jmalpobl05/12339150934.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=tao+wireless+barcode+scanner+manual
- 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_off0000ed5e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED5E | 16792 bytes |
font_01_sfnt_off00010575.bin8464ca88f0e3125889388c3941ba073f57ba93b31e4113a3a9932e24e0492cfd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10575 | 10720 bytes |
font_02_sfnt_off00011e1d.bin5911f888742ac21a89a9259e5e204bf487153832d0e944d934d458e6ebec391f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E1D | 16976 bytes |
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