MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with multiple URLs pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The PDF document body was unreadable, but the presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly suggest the document's purpose is to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://prmakeup.com/Image/files/40628715357.pdf
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/v97vdcppo8oa5bl9qdsmisij12/45149449897.pdf
- https://mimpishio.com/contents/files/gegilolibilojom.pdf
- http://kargiskola.ge/myadmin/ckeditor/ckfinder/userfiles/files/10022466868.pdf
- https://lerivagedesmilleetangs.com/caningest/images/file/xagogozogosuvopoxotu.pdf
- http://ajarnveerapong.com/UserFiles/file/11082860221.pdf
- https://nisahanpin.com/calisma2/files/uploads/wewikalibizenip.pdf
- http://tradotel-riviera.com/file/6860357285.pdf
- http://coimbra.hu/uploads/ckfinder/userfiles/files/66048372407.pdf
- http://yanarfabrics.com/firma/files/55198294475.pdf
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f72c2ea2a3---5693300927.pdf
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b9292e015c---1111641674.pdf
- http://stonestudio.pl/files/upload/file/luxopetavixuforisarezij.pdf
- http://hotelgiottotorino.com/userfiles/files/sukumiguvokugamuxirab.pdf
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135708f78abd---53300485871.pdf
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614523cd1a613---venososidunusakoro.pdf
- http://inlovehuahin.com/file_media/file_image/file/wisedixuxune.pdf
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff12214083---36297763485.pdf
- http://avandcie-energy.fr/ckfinder/userfiles/files/fovamawetasurovuripasu.pdf
- http://artospace.com/pics/file/69872864763.pdf
- https://viessmannboilers.ca/fck_upload/file/mapolavavuki.pdf
- http://studiodabo.eu/userfiles/files/torod.pdf
- http://pantryscan.com/123cars/imagefck/file/85267068139.pdf
- https://eldorado777.ro/upload/editor/file/27661738683.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=kick+the+buddy+premium+apk
- 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_off0000d1f5.bin725f787415a6e3bea0e52a8b69a6ef7993cd78a147515c1d570c55db8e7be408 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1F5 | 18460 bytes |
font_01_sfnt_off00010159.bin55303df9cec2ffb399f0a8ab05750fc24659f10cae43802db1604ee3381f7f9d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10159 | 10776 bytes |
font_02_sfnt_off000119f6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119F6 | 16792 bytes |
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