MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm for SEO manipulation or malicious redirection. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://cobe-ing.it/userfiles/files/57078518256.pdf
- http://geodeslaboratori.eu/userfiles/files/76322656712.pdf
- http://premo.at/userfiles/file/tawigexepegezivabu.pdf
- http://cutskytools.com/d/files/32993493184.pdf
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/1614167f905380---sepefib.pdf
- http://eyela.kr/uploadfile/fckeditor/file/guzinufewigafuzameka.pdf
- http://paradisetnl.com/FileData/ckfinder/files/20210918_D74EE1993407B78A.pdf
- http://divorcefinance.nl/uploads/file/14076998395.pdf
- http://axwelindia.com/uploads/pixepulajejegivitevaz.pdf
- https://chinatupai.com/web/js/ckfinder/userfiles/files/43427460547.pdf
- http://majortaylorride.info/images/uploaded/file/kaduxixi.pdf
- http://hourinkan.net/js/upload/files/55951841178.pdf
- http://phongkhamthienhoa.org/images/files/68724381887.pdf
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/5o9o7d5dvhua2fgloed3fatn95/fewabozenimasoxid.pdf
- https://okud-istra.hr/userfiles/file/monalajeboxu.pdf
- https://anandamsanyal.com/userfiles/file/53518683410.pdf
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161405a390bbdf---42638662210.pdf
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/161408df6d2991---remizeniwolage.pdf
- https://taperagi.com/contents/files/katifivudedagagapex.pdf
- https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/86e4ddcd1c6573ae0b34b7ba6906c92e/72967577893.pdf
- https://gcr.goldcrownresort.com/magazine_files/files/26851636714.pdf
- http://hairtransplantmangalore.com/uploaded_files/userfiles/files/ginuw.pdf
- http://all-vehicle.net/js/upload/files/ziwigezatubolezugopoxuk.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=jurassic+world+mod+apk+unlimited+everything+2021
- 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_off0000bd02.bin2c5c6a82477b1d5d7142bfc072c8d7adaa9f6cf4cdf4d156a3e8c35182980195 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD02 | 16968 bytes |
font_01_sfnt_off0000e8e2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8E2 | 16792 bytes |
font_02_sfnt_off000100f9.bin65af66147f26cc9356eb26a2c21cd1e469a9601f53143ef270d22319c806b3ed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100F9 | 11704 bytes |
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