MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous links pointing to compromised CMS upload directories and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of multiple external URIs indicates an attempt to redirect the user to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://adance0112.com/upfile/editor/file/xogov.pdf
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a9cdb9da1e4---98384355012.pdf
- http://yangs-ns.com/ckfinder/userfiles/files/20210528223338.pdf
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/3gt49vg7jlds4d6pmeojvffhks/midinetewokefisowibugeta.pdf
- http://alisawedding.com/upload/users/files/lizasabuxixijuluzu.pdf
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/f660ecebd18aa1359a733cbb9bf26f7d/58361427813.pdf
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/8fceb622c26a473459db56c7f03be69c/fafasipijowam.pdf
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/16084302c8eac2---wilubuxotikuzowito.pdf
- https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/b732ff67f67a421dc892dc32949c584c/21416508537.pdf
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609e3dae3f60a---99011797473.pdf
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b5a246188af---gewinirosedateneve.pdf
- http://abwlanham.com/uploads/files/18375842206.pdf
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160807f4cf1ee8---mawabekavaramureve.pdf
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef053a2ef2---tisixijuxifof.pdf
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/db540577071e3247e991c908624a519f/dolexowanowawosu.pdf
- http://jandebruijn.com/uploadimages/files/mokotimumirifulezoxuzaw.pdf
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f291ca0816---dojijotosukiwegaj.pdf
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608e4ac41a306---lubinekogujiw.pdf
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/dbbo6v4gnndiuih8qti1qqm8o5/tiforilo.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=the+new+new+thing+michael+lewis+pdf
- 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_off0000d4fb.bin3dcade927ae55c3e3a80fcd559bb4471252c446e103b1b99a33695dcd0f2fb66 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4FB | 10896 bytes |
font_01_sfnt_off0000ede2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDE2 | 16792 bytes |
font_02_sfnt_off000105f4.bin634a93ae5767162d83046425024cc0a77cacebb6b5165078715b5880a3901b7a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105F4 | 16396 bytes |
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