MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It functions as a link farm, containing numerous URLs pointing to compromised WordPress upload directories and other disposable hosting. These links likely lead to phishing pages or further malware downloads, indicating a spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://hoteldanang.vn/uploads/images/files/32194505581.pdf
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608bac71a57af---riwewimome.pdf
- https://silverwayshipping.com/userfiles/file/zugimozurodesep.pdf
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/16099d7adada9e---pototu.pdf
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607b790e545d2---xerajune.pdf
- http://gpmpoolandspa.com/ckfinder/userfiles/files/tuxivizif.pdf
- http://mooneyes.pl/userfiles/file/24543001062.pdf
- http://iphysiology.ru/upload/59371581513.pdf
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c3c5526568---gigivakibaruruxuxuwen.pdf
- http://dynamic1984.com/user_file/file/jerebuvototomima.pdf
- http://zjqzzx.com/uploadfile/file/2021062518465173499.pdf
- http://huiking.cn/uploads/file/072003186450.pdf
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c517bd82868---80068336827.pdf
- http://itnetworkconsultingsf.com/helpdesk/app/webroot/img/userfiles/files/79225417268.pdf
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d51a18ef2b7---rofifavukodama.pdf
- http://puppies-4u.com/clients/e/e7/e7f09595da74c05d2059c741134300d2/File/82616542212.pdf
- https://local-atlas.ru/userfiles/files/61276295917.pdf
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/7fcf965118f38126d5d423a206f3cd0a/33308826063.pdf
- http://mulroyenvironmental.ie/userfiles/file/zidedezijofuzuti.pdf
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/89b096962044c09d14fe3566f6e3f54c/48662439248.pdf
- http://curry-box-deluxe.de/userfiles/file/tifowofut.pdf
- https://wickedcheesy.com/images/file/burigenigadegumanulebuwap.pdf
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/t7qqco53c2j650qfeapu16ern6/55834793043.pdf
- http://pinturasoltra.com/images/slider/files/fakes.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=the+howling+village
- 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_off0000b98d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB98D | 16792 bytes |
font_01_sfnt_off0000d1a4.bin0c368100c1d14b6b23f328d51584b8b3084f23fa0fd89f1b42c04be6bcfe5800 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1A4 | 10136 bytes |
font_02_sfnt_off0000e845.bin13c5b5b185fef3a99c066d2ae24ad4c293a632de2f75981db62251f3519018bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE845 | 17184 bytes |
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