MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The presence of 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics strongly suggests a malicious intent to leverage these links for potentially harmful purposes. The ML classifier and ClamAV detection further confirm the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://cottoneauto.it/userfiles/files/61564389558.pdf In PDF document text
- https://ozanetiket.com/TasarimAcarnet/serhali/upload/files/xaganagikazuxipe.pdfIn PDF document text
- http://indianspringhomes.net/userfiles/files/risukojujemesozodunuxes.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/161372e9e4e113---7565507823.pdfIn PDF document text
- http://cctsw.net/whly/up_files/FCK/file/20210920_022846_161.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/61191242022.pdfIn PDF document text
- https://helices-evra.com/userfiles/file/44315024875.pdfIn PDF document text
- http://kubak-ubezpieczenia.pl/userfiles/file/26364070207.pdfIn PDF document text
- https://leise.ru/admin/ckfinder/userfiles/files/73491638383.pdfIn PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16153bb2ab8ba4---19566306054.pdfIn PDF document text
- http://satyavnetworks.com/fck_upload_images/file/37147213534.pdfIn PDF document text
- http://vibrobeton.by/pics/files/58803531325.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16146aa706bd21---judabululobekowajovokur.pdfIn PDF document text
- http://chothuexeninhbinh.net/data/dulieu/files/gikosafedafumi.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614e9e59ab33a---39788725029.pdfIn PDF document text
- http://bestpokeya.com/uploads/files/xagul.pdfIn PDF document text
- http://szybkieprawko.pl/szybkieprawko.pl/user/admin/fck/file/vedafate.pdfIn PDF document text
- http://biondiairsystem.it/userfiles/files/55568206434.pdfIn PDF document text
- http://talleresjpg.es/img/file/zinewez.pdfIn PDF document text
- http://studiotecnicodavico.eu/userfiles/files/25012081300.pdfIn PDF document text
- http://marta-galan.com/files/varios/file/52544744296.pdfIn PDF document text
- http://humanlitech.com/files/files/janezumiturojodotetijiri.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=signs+of+hemorrhage+after+birthPDF 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_off0000f47a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF47A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010c8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C8C | 21248 bytes |
SHA-256: 25b9d218611b6f217bb93875a8c03fc6f47fc7023588ca96c6cf20bfbaf85b66 |
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font_02_sfnt_off00014409.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14409 | 10832 bytes |
SHA-256: 6d6cc33a36dba16435a2c8e4df7944fdb42bb719db2d2700159438836c331c18 |
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