MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://allytemp.ru/uplcv?utm_term=toca+hair+salon+3+mod+apk+free+download PDF link annotation
- http://pasaru.com/upload/files/sasowuzopudenakapikig.pdfIn PDF document text
- http://sakem.org/userfiles/files/gadagima.pdfIn PDF document text
- https://www.hasmow.com.au/application/third_party/ckfinder/userfiles/files/goliwoxawuridarefasapige.pdfIn PDF document text
- http://xn--82ca1bkibi6eufn5bh1b7i3e.com/UserFiles/File/pivukanezakixemonegemi.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613333471e426---23313833909.pdfIn PDF document text
- http://swiss-ex.com/images/blog/file/buwuzetovo.pdfIn PDF document text
- https://t-groupvnxkld.com/uploads/news_file/pamenozaridite.pdfIn PDF document text
- http://express-service-auto.fr/ckeditor/ckfinder/userfiles/files/95451546293.pdfIn PDF document text
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/87a2b3f1c598be0de3f5a82a7e85f8a6/42409043414.pdfIn PDF document text
- http://guanzhuli.com/userfiles/file/56960612434.pdfIn PDF document text
- http://chnli.tw/CKEdit/upload/files/42976057017.pdfIn PDF document text
- http://bradzo-ep.com/uploads/files/23494194459.pdfIn PDF document text
- https://produktybhp.pl/pliki_user/File/tuwepufofulo.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a5d647f330---19996571233.pdfIn PDF document text
- https://letajicikoberce.cz/userfiles/file/jitijarujulegukunewukak.pdfIn PDF document text
- http://gonvvama.net/filespath/files/20210904013530.pdfIn PDF document text
- http://longruiglass.com/ckfinder/userfiles/files/20210902_115411.pdfIn PDF document text
- https://usssecuritate.ro/userfiles/file/86512455018.pdfIn PDF document text
- http://yongqingtech.com/d/files/72411546774.pdfIn PDF document text
- http://www.parinet.fi/tiedostot/files/tofusi.pdfIn PDF document text
- https://citytrafik.nu/images/file/4543836895.pdfIn PDF document text
- https://www.medicalbi.com/ckfinder/userfiles/files/5310893766.pdfIn PDF document text
- https://lee-trading.tw/archive/upload/files/27762973415.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d788.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD788 | 11100 bytes |
SHA-256: f48812cb409f49c5d33901299fc72f268814b1d649ccda47439ab12b2d31fd59 |
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font_01_sfnt_off0000f14d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF14D | 16700 bytes |
SHA-256: 7afd1f2f9cee9dd4f02d9e918e86b74849671ee507c4da13730695594f258400 |
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font_02_sfnt_off00011c82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C82 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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