MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link farm pointing to numerous compromised WordPress sites, which in turn host other PDF files. This suggests a phishing or malware distribution campaign where the initial PDF serves as a lure to lead users to malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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 https://masihpt1.com/contents//files/19725960492.pdf
- https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/ed62a7630180b7d062d50a68d87514a8/vekixudifevodanul.pdf
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/t605ouel7gcthougm8a9r639g8/5527879593.pdf
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1609d3dc4cd368---retuwilek.pdf
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608e10136fea4---pevunifakakuno.pdf
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/160876ca29c4f0---52288509077.pdf
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/851eb31ef1502396c0174a9ef6c8252b/todefitezadobowaduko.pdf
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/h4pj7g4nb505h0qb02d2muv67v/rejobezefisusumesadus.pdf
- http://orem.mn/uploads/files/lobirubowumasa.pdf
- https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/82ae3tss40ss6r0pmps07iakkl/96365885771.pdf
- http://vejwun.cz/images/pitexupeniwolutalapoziven.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16078e5706136f---50463156934.pdf
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d2cf5bd5b57---5046578373.pdf
- http://mini-garden.ru/userfiles/file/71818169872.pdf
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608938b902b7e---diwejabesufevamidatubudo.pdf
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/b49b9dd43c4b9e6dc99c2da264acbdd1/39985198907.pdf
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/ddptjchjknqa49nmgc3hhbuvof/69008338844.pdf
- https://daleplumbinginc.com/wp-content/plugins/super-forms/uploads/php/files/b312fa8b76ab409dedc998a34c20aa57/tunokoxoxogamovimaneto.pdf
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606e29b59f976---vawidakagadurapividosax.pdf
- http://apcmagon.com/userfiles/kopuna.pdf
- http://www.jindatunnel.com/up_files/file/nexaliwetutowofosujuwez.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=jesus+son+of+man+meaning
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00014eed.bin8db86bd7b093d8e68f73f92c7e6814dcff5b4f6b044e2447837a5491dc046c08 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14EED | 10404 bytes |
font_01_sfnt_off00016684.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16684 | 16792 bytes |
font_02_sfnt_off00017e95.bin78518a38ec0ae81f6e92b4d8704a83459a6664a6b1428182d610d5b291d38329 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17E95 | 16864 bytes |
font_03_sfnt_off000196c5.bina82ac8e12424804f9460111406f4bffa8d506e5dc1be81e6ab7eead4c91a5580 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x196C5 | 20068 bytes |
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