MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to external websites, many of which are identified as compromised CMS uploads. These links likely serve as a link farm to distribute further malicious content, such as other PDFs or malware. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9925
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://oroblupiscine.it/userfiles/files/vinoxiziwifevaxapado.pdf
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/ol3h5utbooc3cfmj5su672n73o/26481244262.pdf
- https://aashianarealty.com/file/1082157642.pdf
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/3882d5a3dd83820e2101a021ed01c910/90408564048.pdf
- https://inijariku.com/ckfinder/userfiles/files/vinupipasibi.pdf
- http://caratow.nl/userfiles/file/30375307957.pdf
- https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/6k3itlh20vohqjtqr4h4ms4uh7/78562059097.pdf
- https://toocapen.com/files/26577210995.pdf
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/9ea454cf940ee90c68ec6f95320a0489/kedukibuwuxun.pdf
- https://cafemocion.com/userfiles/file/wevuberivim.pdf
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/56429cf69813eebd27eb52d5703ded1e/78908337024.pdf
- https://rh-h1tapi-turbo.com/contents//files/zuwezeza.pdf
- http://nordicaluminium.ru/userfiles/file/91315066106.pdf
- http://duda-tech.pl/dudatech/upload/file/jawarekefoboxudul.pdf
- http://coming-c.com/userfiles/file/93671866444.pdf
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6f40400eeb---tosiletusozabavimuji.pdf
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/3b259ef1b1e3a63dd6306d6fe26a8284/sabatifixagixegowuk.pdf
- https://castilloexterior.org/ckfinder/userfiles/files/57178917639.pdf
- http://s8radziejowice-paszkow.pl/userfiles/file/baporijawefuvuvalebu.pdf
- https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/015cbe102e128abd2d7d52cf9df7f352/litijoseb.pdf
- http://washchienluoc.com/upload/file/13972441172.pdf
- http://osoboebludo.com/ckfinder/userfiles/files/xuruwoxipipuwademevajosob.pdf
- http://marcobernini.it/userfiles/files/73823557177.pdf
- http://ipmarketing.net/userfiles/file/40458219941.pdf
- http://abwvictory.com/uploads/files/wikeretixeroj.pdf
- http://booklandbooks.com/userfiles/file/xepasevibogomod.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=reflection+of+triangle+over+y+axis
- 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_off0000ddb4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDB4 | 16792 bytes |
font_01_sfnt_off0000f5c6.binad35472803e61d6026aa1e7af99e741ff1fd7ddcf07ed623bcdba59cebed92f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5C6 | 17248 bytes |
font_02_sfnt_off00012339.bin4dfeaaaffb84f50e046b417a244540278fe33a981cb7c0b1dc30cc6330619253 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12339 | 10840 bytes |
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