MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to redirect users to malicious websites or download further payloads. Several heuristics indicate the PDF is part of a link farm hosted on compromised or disposable domains, suggesting a phishing or malware distribution campaign. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://reguitti-engineering.it/userfiles/files/nenurozodujifuwupeled.pdf
- http://icltindia.in/userfiles/file/xofofigirejivuvesure.pdf
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609e27e940764---5146766515.pdf
- http://finalstage.biz/js/upload/files/farodedekuz.pdf
- http://akkoryazilim.com/userfiles/file/domuvat.pdf
- https://communeouchamps.fr/userfiles/file/77758493875.pdf
- http://handbook.hu/upload/page/file/dotilakinokedexunozowab.pdf
- https://hostingyuvasi.com/calisma2/files/uploads/besesopotided.pdf
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/2c6206a8b2ae4ee094521ea87bfe93d9/valejatagopo.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8821cc62c---gopiridepiboxoxijab.pdf
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f7cdf68715---79684035591.pdf
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6cb6bd7610---53031532953.pdf
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/6dd4742ff6d4e654de05457cec15506b/746198493.pdf
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099300978c7d---kikesat.pdf
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a28911764ee---vafeletelowapidoju.pdf
- https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/e5f9ae3be8dc3c726f744db724cf0ad0/85321480749.pdf
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/35d0568a0bd189fba2ff407ee0f074f1/84132965257.pdf
- http://www.alfapilates.pl/upload/file/vamiwuziganuvetozobiged.pdf
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/e060eb7b773935fa644e20b3e4f9d979/36060563176.pdf
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070b217816d6---devimaxapogonilusamu.pdf
- https://istanajp2.com/contents//files/19922996016.pdf
- https://ferado.vn/userfiles/file/pibizoxonujet.pdf
- https://superchills.com/userfiles/file/94492406815.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=answers+to+employee+self+evaluation
- 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_off0000eaa1.bindc9323c484861782103f51b954267b14c413f0b3e6fb38a71ba2f155283e9975 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAA1 | 16636 bytes |
font_01_sfnt_off000115d7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115D7 | 16792 bytes |
font_02_sfnt_off00012dee.bin67907ce8f57fae5f5b2d40d1b7734c5c9619eafd6869717403231ea43ea1c298 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DEE | 10864 bytes |
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