MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple compromised WordPress sites, likely intended to trick users into downloading a malicious PDF. Heuristics indicate the PDF itself is a link farm and hosts content on compromised CMS uploads. ClamAV and ML classifiers confirm the malicious nature of the PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cd0d478de2---69091243691.pdf
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a331a4255ca---26984637214.pdf
- http://tele-fonika.pl/upload/file/9499019014.pdf
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a717e7e7f51---93932606631.pdf
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1c85773587---timimofeboforigefero.pdf
- https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/lhq2if22scffqtrdd81q37h625/25680417386.pdf
- http://xedaptap.net/userfiles/file/bufunibewixutifokiz.pdf
- http://xn--80aaaaaikdebj9ccf1ayja1b5a3q.xn--p1ai/ckfinder/userfiles/files/buzibifabivojes.pdf
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16088f940c85b7---57294489304.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a68411d4e11---famominub.pdf
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/4bbb9bdb73b458ed449e2acd38664bbf/75465888975.pdf
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607169d2ca08e.pdf
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad988f8dff6---20249146111.pdf
- http://logisticsnetworks.net/ckfinder/userfiles/files/87712233209.pdf
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7c0dba5f8f---53804387891.pdf
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1c404ca04d---zitowovixazin.pdf
- http://www.europesolidaire.eu/userfiles/files/39103996926.pdf
- http://www.chubsorn.com/file/files/jineledibofomosokizon.pdf
- https://dgaspcsm.ro/ckfinder/userfiles/files/doguxozefugagala.pdf
- http://cupta.org/userfiles/files/20210701194339.pdf
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d80b0f16b---memegujapatesiwo.pdf
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/16084cb51a7b10---lipojaxijezopoxegas.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=outlook+vba+save+email+as+pdf
- 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_off0000f321.bin9ddc998533c216c5009fa3e65342863dc945653561d231ac5f3ba51a2f97b219 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF321 | 16504 bytes |
font_01_sfnt_off00011e09.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E09 | 16792 bytes |
font_02_sfnt_off00013620.bin3a17a701d18618844da1a800ef3d17d3cdcb9aa12670f6187577db587f62a92b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13620 | 10880 bytes |
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