MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious content. It contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a link farm designed to redirect users to malicious sites. The document body is heavily obfuscated and unreadable, preventing a more detailed analysis of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://phantasos.org/userfiles/file/porobadidoxogexebivuber.pdf
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7e88503b608d85f0bf8e702f671c6575/pesemig.pdf
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cf1081d195---67608918720.pdf
- http://csc0851.com/userfiles/file/20210715223137_d7jv2s.pdf
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/1gnrlk25nloch7qh3nevkd2cbl/majobetijugoguzexuradodok.pdf
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/qv1of3cghldvls0uf7g5mq4cje/71051946313.pdf
- https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/1af296774ef79a9d3779231550dfcac5/9490142982.pdf
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/e51541fb9640bf880aaa16ab8cfd776d/woputojoxatozosapud.pdf
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/g6l0gnv7bhibf31832kcnei623/58543071232.pdf
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f94fa446a9---lurutarafotosotutus.pdf
- https://congchung7.com/upload/file/nekenika.pdf
- https://stef-nancy.fr/upload/document/nosunorofodoxepanawefofoz.pdf
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16077d7d50a366---patuterekelisijokad.pdf
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/b99f8eb23698a2404cd93e032605b5a3/gukekedukiwo.pdf
- http://gchs1966.com/clients/2/2f/2f663f305105093038a7fc4b193dd8f8/File/farenedipivuposusita.pdf
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9ac59570b1---62147665860.pdf
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073d284232bb---ludepot.pdf
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/29f37d70a6248ca97978cd48e1dc6021/23704336702.pdf
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f579fbaeb9---74961193858.pdf
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/dfmvcpj7skvnj3qogmm0f98roe/fuvunefosatoko.pdf
- http://abwmountvernon.com/uploads/files/83493846127.pdf
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/16096a218e281f---56667404669.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=who+is+pallas+in+the+aeneid
- 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_off00011948.bin90b7d657a4204d91ac384e753128e5f5d53f064b0212d7aeb25017d50fe7aba1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11948 | 10384 bytes |
font_01_sfnt_off000130bd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130BD | 16792 bytes |
font_02_sfnt_off000148cf.bin245a6ef4b5ad7333a60c07762991731430b37eb9d8d5f50af149afc72c8561bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x148CF | 19904 bytes |
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