MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many of which point to compromised WordPress upload directories and disposable hosting. This suggests the document is designed to act as a link farm, potentially for phishing or distributing further malware. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://presstone.hu/userfiles/file/96615386868.pdf
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/5398f43101467c1bbd9dfe3014ed4060/vitugi.pdf
- http://webcertain.net/contentupload/fckeditorUploads/organization_/file/kiwobomovinuretimo.pdf
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608516629fef0---wapirisirowi.pdf
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce9fe1f8a5---43029345860.pdf
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160cb01a9ce49c---juzosijefepugazago.pdf
- http://zkojicin.cz/userfiles/file/kagelad.pdf
- http://xn--or3bi2da319p.com/upload/fckeditor/file/12267765915.pdf
- https://itracmediav5.com/ckfinder/userfiles/files/88604124421.pdf
- https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/753eff74b086de838c536e78cbdbe058/51076806509.pdf
- http://bettaletroom.com/file_media/file_image/file/dopedoteji.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bd5f556933d---lerafulow.pdf
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/b6fc16e0060a8c1f5acc3b04d3ed9d13/badefisawutokidun.pdf
- https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/037ee5db4df04d068495ecca2ab4c080/mibalexasewugisuzozerif.pdf
- https://kimtuong.vn/isc/public/files/fckupload/file/sizojefizimireg.pdf
- https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/8v6f3ligjs4b0e1sir29gv8p02/85272166054.pdf
- http://roocenter.ru/upload/file/14855649918.pdf
- https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/403d92d555dd4fdd356b77204fb05dec/ranoxuxazijifada.pdf
- http://mesterek.net/tmp/17868038231.pdf
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/4879616944ef09cb94170944a0fff1df/17318977171.pdf
- http://bbdecontra.com/userfiles/files/53516925668.pdf
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a00bd7e44d0---57467495788.pdf
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607371a30a1fb---jamesogel.pdf
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/h9dbbhekk8fm62anph1ljs3av0/10132765105.pdf
- https://cuisinescartier.ca/upload/editor/file/46525726932.pdf
- https://chris-arnold.com/userfiles/file/48820156349.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=hope+is+a+dangerous+thing+for+a+woman+like+me+to+have+lyrics
- 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_off0000dcba.bind841068a95be014dba275f20074956532b4159dea6a6c3158930564088f68fa5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCBA | 16928 bytes |
font_01_sfnt_off000108db.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108DB | 16792 bytes |
font_02_sfnt_off000120f2.bina738314d7b0c0ea8b506cf320e0183703d850395d540d38c3627d3b64164c31c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120F2 | 11516 bytes |
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