MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected by ClamAV as a Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. It contains numerous links to compromised CMS uploads and disposable hosting, suggesting it acts as a link farm to redirect users to malicious sites. The PDF structure itself is also noted as potentially compromised, with duplicate object bodies.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://tahuacoop.com/cms_gpadmin2015/sgi_userfiles/userfiles/files/venusowitusofosijojenob.pdf
- http://keifo.ru/ckfinder/userfiles/files/80627673424.pdf
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bdb7a54225---25539673053.pdf
- http://okfilm.kr/userData/board/file/pepita.pdf
- http://irodaszer.lukinserv.hu/file/tuwisodirof.pdf
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c07673b4ce---8785464430.pdf
- http://hide-bo.com/img/tmp/file/34336296294.pdf
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612feb743d080---wefiditasewinuzitan.pdf
- http://arucax.am/user_images/file/faximalofikemezunarebum.pdf
- http://inruho.ru/ckfinder/userfiles/files/zopalepemex.pdf
- http://officeharbor.com/pdtInfo/18877264705.pdf
- http://3sdent.com/upload/files/larebanujiduzidose.pdf
- https://nguyenvanhuongloc.vn/app/webroot/files/images/pages/files/39824062083.pdf
- https://ruta.hu/ckfinder/userfiles/files/zuzizatuxoj.pdf
- http://cityfate.com/files/files/72548115647.pdf
- https://pet-fashion.ro/mm/file/tipijasojukiwafotomonuma.pdf
- http://321eastern-thailand.com/userfiles/files/54268362307.pdf
- http://bluestandard.pl/ckfinder/userfiles/files/32367978857.pdf
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/5a53be88d66d745855b8d00be7e4d6c0/kukus.pdf
- http://xn--9w3b270a7kf.kr/data/editor/file/85056581828.pdf
- https://marbeyoyun.com/calisma2/files/uploads/66580084357.pdf
- https://j26clean.com/upload/files/xisokagipipededar.pdf
- http://kondicionery-domodedovo.ru/upload_picture/file/garejamanemuwowunodi.pdf
- https://asthasupermarket.com/userfiles/file/53550399888.pdf
- http://simsvizag.com/admin/uploadedfiles/file///60223946174.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=ldplayer+lol+wild+rift
- 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_off0000df82.bin19883efc6400cf56d292fa8bf445bab6435a8c4fd6e5417eef9eeafaa5bccc02 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF82 | 18064 bytes |
font_01_sfnt_off00010de3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DE3 | 16792 bytes |
font_02_sfnt_off000125fa.bin8dde1d41bd66e2e5648dd476e50ef488bee38ada8f57d3cccb22d462916b9481 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125FA | 10376 bytes |
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