MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple external websites, some of which are hosted on compromised CMS uploads or disposable domains. The presence of numerous unknown URLs suggests a phishing or content-luring campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://npk-bypassdrr2.com/file_media/file_image/file/11609961727.pdf In PDF document text
- https://www.leadercaravans.com.au/application/third_party/ckfinder/userfiles/files/41737054334.pdfIn PDF document text
- https://plagij.at/ckfinder/userfiles/files/fodinuve.pdfIn PDF document text
- https://ijtm.in/userfiles/file/lipabidokub.pdfIn PDF document text
- http://baschin-heizung.de/meineBilderAlbertGrundschule/file/vexasikarubumopif.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144e5869d4f2---47421031029.pdfIn PDF document text
- http://lsmtrontractor.com/upfiles/file/20210907014858.pdfIn PDF document text
- http://tuzy.pl/Upload/file/vuviba.pdfIn PDF document text
- https://palet-school.com/files/files/50805558802.pdfIn PDF document text
- http://0575zl.com/userfiles/file/6020622898.pdfIn PDF document text
- http://ivankrivanek.com/userfiles/file/81476827097.pdfIn PDF document text
- https://trickapotisk.cz/webpagebuilder/ckfinder/userfiles/files/dubopunim.pdfIn PDF document text
- http://madang.eu/f_pds/fck/file/jixebakanuzume.pdfIn PDF document text
- http://radiosalsa.fr/php/rs/filesupload/file/73918772816.pdfIn PDF document text
- http://dajuicebarus.com/uploads/files/55462839004.pdfIn PDF document text
- https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/1a9227b12dce8d41932b91cef2faab5c/kozaxexi.pdfIn PDF document text
- http://ibtaker.ps/userfiles/file/16406838676.pdfIn PDF document text
- http://www.focitabor.hu/userfiles/file/13195861863.pdfIn PDF document text
- http://whatifitspossible.com/ckfinder/userfiles/files/ratazazukovaded.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/16130601daf00f---malulofabetidejok.pdfIn PDF document text
- http://lmleadmanagement.com/userfiles/files/widilekitufog.pdfIn PDF document text
- https://pkbae.rs/files/vapadogawanugejogolas.pdfIn PDF document text
- http://hcbarrett.com/user_area/file/samivikebudemeviziwugi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=online+tamil+movies+free+streamingPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d522.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD522 | 17076 bytes |
SHA-256: c34e2b3bb309d51fe0433ca376cf688001104e4358dfadd45a6da78bafe4c73f |
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font_01_sfnt_off000100f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011908.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11908 | 10648 bytes |
SHA-256: fa8f98646ba91f0832bdf0cd2eaecc6a3f841f29e96cabb69b21fe4393ec77ee |
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