MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and a large number of external URIs, many of which point to compromised WordPress sites. These links form a link farm, suggesting the document's primary purpose is to redirect users to potentially malicious content or phishing sites. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9886
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://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/16070d4fd7fcd3---rujosefakikedof.pdf
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/881bd64b0623a2fc2ff2f44844f51b6e/92961312023.pdf
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/753bf9a89955b161d5fd5692d057d702/sajuvabazirivixikaxixiku.pdf
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/ecm3ab5k23f431hv78ap0kghek/lebanogor.pdf
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/542b807b36468e873499d598b730f571/komipazafijisogulalub.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609b849c1a2aa---gelazilutuximetomex.pdf
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/95a13822c47e38f961e118441623a2bb/bawugamenokat.pdf
- https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/cfa52822a533ce3ed865b32bbf1209f3/88705096998.pdf
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8d632557f---bisofusu.pdf
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085ee052c53f.pdf
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607cdd72ddc90---mogibemesur.pdf
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c66382217e4---kafavuzowuw.pdf
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/69e8b1b310906b2466250d3ab176573a/30728597842.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/k3q5rbd3h71t374f2o09l42bi5/62335528108.pdf
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/270a143e9a04cd9565f2a01c093a55f3/8139277661.pdf
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8a0bd871c---pijimixegitelazinawajuni.pdf
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085fcc29ce04---89097991977.pdf
- http://gediklimakinahidrolik.com/resimler/files/poxawumedoniwikan.pdf
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/k81m5sssg409sb3ncn8inepmr5/83233930390.pdf
- http://hglobaltour.com/FileData/ckfinder/files/20210609_8E22359BFCFFB2C7.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b93956fce8---mukaselinesubola.pdf
- http://www.radio-kum.si/data/files/digaj.pdf
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609dd43d8ce9c---pafowibopin.pdf
- https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/70995f781fdda4548bdce29a67ff9667/55595108840.pdf
- http://zabradli-znerezu.cz/userfiles/file/61363619829.pdf
- http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/35866321959.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=bus+driving+games+unblocked
- 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_off00015ca2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15CA2 | 16792 bytes |
font_01_sfnt_off000174b9.bin71d5b7d9ff884e25a17624a88f0d80bde48b2acaf20c19bc87a9fce9bf6d98a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x174B9 | 11064 bytes |
font_02_sfnt_off00018e47.bin3cc159628b1368ab81d5fd750645824ff80f6d24088d4811a29ad190797f1042 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18E47 | 17372 bytes |
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