MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites hosting other PDF files. This behavior is indicative of a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160aa513a9053c---45091926717.pdf
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc0c0d9bbc8---zojotoxozoridim.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/66384b5bc4f3b242f04b867d50f926c0/mumivorugewulov.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1607233cb2654a---gijonimabovezifojuretig.pdf
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b115fed0c5---47705175979.pdf
- http://worldwidefilipinoalliance.com/uploadedFiles/files/46225119317.pdf
- http://firegallery.ru/img/upload/23170046380.pdf
- http://aggengr.com/uploads/CMS/file/bivowogudisoxovona.pdf
- http://karpatskiles.ru/store/files/fubuxotuzevi.pdf
- https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/7feda08bc31b3a9ced81f7d80ec6dbb5/bemitevo.pdf
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/fd457627687df2ab3328d48db3620f49/2078378006.pdf
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a4c27479016---kijorikiv.pdf
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16072c615d7233---lazugawexetejoluxulowolux.pdf
- http://ingenermarket.ru/userfiles/17928268985.pdf
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/bbpijfika8m1f8tff5gak6hvrm/muselugagoxativisatof.pdf
- http://thingsantiquesla.com/userfiles/files/jiworujutepeputupiwi.pdf
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f76cbdb30e---30514708265.pdf
- https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/m47ntp64aodfini1v7e7dh289c/1056409190.pdf
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077a4424b622---jemuriwawubetodixepo.pdf
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b298246a41c---64026525701.pdf
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a882e6ca1a1---10791715813.pdf
- https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/427aedef31a2253b0c64bd9cb4307e17/51338626473.pdf
- http://booklandbooks.com/userfiles/file/22202815209.pdf
- http://anhuicrew.com/upload_fck/file/2021-5-25/20210525214925394320.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=dialogues+of+the+carmelites
- 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_off000103d8.bin1fdd78ea7dda11ec23643d2a735f2db9f3bfde61c7dec0e550bfd00c1c964801 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103D8 | 18316 bytes |
font_01_sfnt_off000131e4.bin09ad2769cdf49ca34eb95a83aa98106878dadf768f4fec4211cba6c91242015a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131E4 | 10780 bytes |
font_02_sfnt_off00014ac5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14AC5 | 16792 bytes |
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