MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous links, many pointing to domains identified as disposable or potentially compromised CMS uploads, characteristic of a link farm used to distribute phishing lures or malware. The embedded content appears to be malformed or obfuscated, preventing deeper analysis of specific malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://studioschicchi.eu/userfiles/files/68739344263.pdf
- http://hide-bo.com/img/tmp/file/ririmalobujodi.pdf
- http://xn--80age2amlc.xn--80adxhks/pics/images/file/96990893781.pdf
- http://etoprosto.ru/ckfinder/userfiles/files/8562866750.pdf
- https://monyetjoget.com/contents/files/mupuriwogik.pdf
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16142d4bacd978---sidediro.pdf
- http://studiopassarotti.it/userfiles/files/lasukajereg.pdf
- http://lianbang123.com/uploads/files/202109182151156404.pdf
- http://hhsmelt.com/upload/files/53311817361.pdf
- https://marikakozmetika.hu/editor_up/juwazoxesukoz.pdf
- https://learnrkbin.jugalbandiresearch.com/ckfinder/userfiles/files/wiwerojege.pdf
- http://geasit.it/userfiles/files/33387402128.pdf
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613046cdaafd8---gemifano.pdf
- http://tucsokszekszard.hu/images/news/file/xuboponewixudogozitif.pdf
- http://kidneytracker.com/ckfinder/userfiles/files/23596532592.pdf
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/16134d9aa26eae---xunubokokoxuvumaxulevoxid.pdf
- http://kfbma.org/files/fck/file/72410299539.pdf
- https://grnca.org/img/files/files/tarovukugejasa.pdf
- https://chv.vn/userfiles/file/zexajuzakijaki.pdf
- http://sarkar.ie/userfiles/file/rukura.pdf
- http://bridgestone-ice-cruiser-7000.ru/ckfinder/userfiles/files/45498539143.pdf
- https://editora-arara-azul.com.br/site/admin/ckfinder/userfiles/files/kutemixevoravofutazoxe.pdf
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/b7iakkpmlckhrukoq4hfvkd0kk/87982675133.pdf
- http://rbtyutj01.com/userfiles/files/30123560235.pdf
- http://www.aragonemprendedor.com/userfiles/files/37122595807.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=boiling+point+ethanoic+acid
- 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_off0000e1c6.bin755d6851612b1d8219ab70b67a3be9ea0359cb69b9196ae6082ed8bade332c96 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1C6 | 18544 bytes |
font_01_sfnt_off000111b1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111B1 | 16792 bytes |
font_02_sfnt_off000129c8.bin32fb46c59dd8ee206e8bc4ba0244b170d9334e843eb5af02817a2a0347e4c3ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129C8 | 10576 bytes |
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