MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as a phishing trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous links, many pointing to unknown PDFs hosted on potentially compromised websites, suggesting a link farm designed to lure users to malicious content. The presence of multiple PDF link farm heuristics further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 http://audyt.rowerowaszkola.pl/imgturysta/files/60929923452.pdf
- http://xetaihyundai.net/upload/files/kijuja.pdf
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/ac03079b8d40138ef6281662eb61d3aa/20315378979.pdf
- https://mudraconsultancy.com/uploads/files/pasuzozerazire.pdf
- http://debandhelder.nl/ckfinder/userfiles/files/85379614563.pdf
- http://orthodoxvaidikasanghom.org/userfiles/file/zabibavir.pdf
- https://a2designbg.com/userfiles/file/50127981205.pdf
- http://goddesshair.net/upload/users/files/34560036542.pdf
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614adc1e6b80a---nuwidulojisav.pdf
- https://cylinder96.ru/admin/ckfinder/userfiles/files/76865865108.pdf
- http://manuale.aziendasulweb.it/userfiles/files/62869404318.pdf
- http://zekejozsef.eu/FCKfeltoltott/file/95742964093.pdf
- https://editionsitaliques.com/userfiles/file/86093367449.pdf
- https://mldom.xyz/web/img/podborky/files/12026349837.pdf
- http://healingtown.org/userData/board/file/noberivuzoramisovi.pdf
- https://vanphongphamhienluong.com/upload/files/99781690140.pdf
- http://kirsanov-maslo.ru/uploads/tuwuvibi.pdf
- http://turnyras.lt/Files/file/nazopazagezilemoje.pdf
- http://gernano.eu/gfx/userfiles/files/99082791837.pdf
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161378d14f2afc---loloxajukesudopemelove.pdf
- https://projetounificado.com/uploads/files/57950088878.pdf
- https://hfbee.tw/upload/ckfinder_temp/files/20210924232500.pdf
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/16146de656ef86---64710988175.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=mcpe+addon+maker
- 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_off0000b296.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB296 | 16792 bytes |
font_01_sfnt_off0000caad.bin648b71c4f953c55437933cce1c02f377c74fc5745d37fe2ed2985259b416dc43 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAAD | 10356 bytes |
font_02_sfnt_off0000e1f9.bin334ba6dda73d16d0d5b5377a5c36e6b2d7265b151525d560dae8b7ff3e64a9db |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1F9 | 16896 bytes |
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