MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the document functions as a link farm, directing users to numerous external URLs, some hosted on compromised CMS uploads. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM firings strongly suggests a phishing or malware distribution intent through these links.
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 https://archism.ru/uplcv?utm_term=diario+de+greg+4+pdf PDF link annotation
- http://biplano.eu/userfiles/files/tewireseximurijaxe.pdfIn PDF document text
- https://www.loisirs-auto-occasion.fr/ckfinder/userfiles/files/8587481573.pdfIn PDF document text
- http://hanabi-la.com/uploads/files/68342432457.pdfIn PDF document text
- http://3colorjazz.com/fckeditor/userfiles/image/83945990640.pdfIn PDF document text
- https://aspit.ro/imagini_ws/26018781866.pdfIn PDF document text
- http://gjbbang.com/userData/board/file/97484263038.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/kpa2p6da54mrlgkeejtnlilth4/tonapowinazijivo.pdfIn PDF document text
- http://smsalumni1971.com/apadmin/uploads/userfiles/files/metuxupiwabavurazin.pdfIn PDF document text
- http://rideabikenews.com/user_img/files/38830486740.pdfIn PDF document text
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613baa2e373d5---88582896308.pdfIn PDF document text
- https://lifesmart.lifesmart.ro/ckfinder/userfiles/files/32557250750.pdfIn PDF document text
- https://holocaustresearch.pl/nowy/photo/file/basafilizusenigi.pdfIn PDF document text
- https://get-insurance.in/ckfinder/userfiles/files/62052038724.pdfIn PDF document text
- http://master-br.ru/img/file/winupajagojeg.pdfIn PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/5larr7lr12tqcm7ra10djnhtac/zozilumo.pdfIn PDF document text
- https://bancodevida.com/bancodevida/admin/images/image/file/bebakijufobanefu.pdfIn PDF document text
- https://travellifeafrica.com/ci/userfiles/files/49944940339.pdfIn PDF document text
- http://aksaaydinlatma.com/img/editor/image/file/41668933547.pdfIn PDF document text
- https://dhins.com/testingsites/advantage_aviation/assets/media/file/6591163076.pdfIn PDF document text
- https://actorconseil.com/files/file/lawekijovi.pdfIn PDF document text
- http://abwclayton.com/uploads/files/sowumokezavonapuk.pdfIn PDF document text
- https://miraclechuppahs.com/userfiles/file/14810678600.pdfIn PDF document text
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613e87667de89---67029552676.pdfIn PDF document text
- http://jagatjyotischool.org/jagatjyotischool/userfiles/file/rifukitajenuvidekasonek.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_off0000c13d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC13D | 10336 bytes |
SHA-256: 254c381e2cac143b58962be752ac75e0f9f3f5bbac0b52683dac45f39c63099c |
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font_01_sfnt_off0000d86c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD86C | 18380 bytes |
SHA-256: 2f2d5a3c2e0b7506610ff858278f63e95c6f65a8163a3187d0fc1db4ce5ce6ac |
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font_02_sfnt_off000106e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106E5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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