MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of links pointing to compromised WordPress sites, indicating a link farm designed to distribute traffic. Heuristics suggest these links are non-clustered and hosted on disposable domains, a common tactic for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/1609072b195c0a---24954899650.pdf
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b8244017db9---zobimeti.pdf
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bc41771211c---96566286476.pdf
- https://www.acetechnology.co.in/wp-content/plugins/super-forms/uploads/php/files/0rhglggjjjifnirq12hqur83d4/xovugefitijivekufelekuf.pdf
- https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/479ec733c23b598248cc38f3b08a4b44/nevogiledosomipezerapemev.pdf
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/hgsiouco73edbrj0nhsnaipt8b/7994552968.pdf
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/890a3296f0b9d600a1fbe757378cc838/7758253380.pdf
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/oame3p5j2q2n9sm0d03tbcv95r/22779586140.pdf
- https://biodent.ro/m4fm_files/m4news/ck-uploads-files/84243735616.pdf
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/021b1c7008106c8e860de2572fa02084/98217653490.pdf
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/f8dcc6c38ffc6e7a7f98367d8e548e87/97533030114.pdf
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/8facb19c27cdf26722c2ece17659ece6/baguvuwofuzapuzowe.pdf
- https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/rt0h5ov858oqrvfei3gh8ed427/77438744467.pdf
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/7e56c29b989420ae29ce6e7378aac5e6/62460307937.pdf
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092d705b4f77---5656043462.pdf
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd1c9c82cb4---55694659827.pdf
- http://therealmccoyfamilyreunion.com/clients/f/f9/f9ea119420dddc0cc5ac7622830b9f68/File/nojelopekarabomalafo.pdf
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609468254f870---pizabirajevesofiwup.pdf
- http://blessingsngo.in/userfiles/files/63545907844.pdf
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/ka3ulsumgej22pp0n4k9h89ce2/11531285885.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/6872df6c10d1f1978f24cb60830c7abe/83148063767.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be22db0d68c---86014688011.pdf
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160b0093f4f8a1---48321322749.pdf
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1607dba6f83e7a---28502656043.pdf
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/8hm0c07oib38cg6n84ptqgfk35/lijidetawewovozirupan.pdf
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16085697c8af93---baronunefovesegikesi.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=bubble+shooter+5+free+game+online
- 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_off0000e438.bin35f73514533496e4ea7dceb96931cf0ab0b8c7744556e099d4c8b6cc1f2c903b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE438 | 16632 bytes |
font_01_sfnt_off00010f40.bin027bfaf7eef4c1fffd2a59234c8b8291e51cd84be013a968d66099b8ca2f5004 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F40 | 11088 bytes |
font_02_sfnt_off000128fd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128FD | 16792 bytes |
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