MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to compromised WordPress sites and utilizing disposable hosting, characteristic of a link farm. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or malware distribution. The document body is unreadable, but the heuristics and URLs suggest a redirection scheme to external, potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adc64402c5a---95385632140.pdf
- http://tamker.hu/userfiles/file/jilelekumuruteb.pdf
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a692be912e3---65066450509.pdf
- https://twr1115.net/files/fckeditor/file/83129493912.pdf
- https://accuratesearch.com/userfiles/file/24958651008.pdf
- https://balajitutorial.com/admin/userfiles/file/xinepozatupefevafumed.pdf
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aca06796997---nelodowilerovaruguw.pdf
- http://datavincity.com/uploads/ckfinder/files/37007984983.pdf
- http://thedewakohchang.com/image/upload/File/8333948865.pdf
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/49f1a6d147607a6bf508192a5970e7d2/84752626579.pdf
- https://iphonerepairservice.nl/app/webroot/files/userfiles/files/21117064861.pdf
- http://toddfamilyreunion.com/clients/4/48/482e924d5a052aa4a0c13eb8a30e0bc8/File/kalopivuvefunegidegira.pdf
- http://elyriahigh1974.org/clients/0/05/052ab20d644b737728595af1a47b4450/File/97712930323.pdf
- https://scavilecis.it/userfiles/file/pabezivasus.pdf
- http://roland-toys.eu/userfiles/file/82550529129.pdf
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/62a224b2820220c3e8203fcb32757d33/jugonifu.pdf
- http://goref.ru/files/file/xezifofat.pdf
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076dbcbb4b1e---50671089682.pdf
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/f107af683b133e5d82cf6675e49a64ec/pevem.pdf
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/kk2a43vkidfko0ig5kppsv7jdm/10321810320.pdf
- http://alexandersorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/28301432896.pdf
- http://siembra.me/uploads/files/zepir.pdf
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/2ab4eae10363a501a1da1160b209cfac/wigaka.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=questions+about+twilight+and+answers
- 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_off0000f740.binfebe34c2d9a2f6c60cf9f4078916ff3018f8af9a7e7aa2e58ce3368aa0955421 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF740 | 17688 bytes |
font_01_sfnt_off00012553.bin455694ad717de1f5eca4e37aff7a1f5af8269723b8185dfab1fb02a8028a89b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12553 | 10912 bytes |
font_02_sfnt_off00013e7e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E7E | 16792 bytes |
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