MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains a link farm pointing to compromised WordPress upload storage and other disposable hosting, suggesting a phishing or malware distribution attempt. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://ppuhperspektywa.pl/files/edytor/file/55039810102.pdf
- http://sllight.ru/design/img/upload/file/3826822964.pdf
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/71e50bd8a1eb5e3afa0f6501dbda9628/32394326580.pdf
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/mod6a388r55rp3uqu6eiharp2u/xiditokexigolodat.pdf
- https://paklya.su/design/img/upload/file/94827230186.pdf
- https://karapinarinsaat.net/userfiles/upload/file/misagekijanebuzidufono.pdf
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609ed7a6b7d64---25043404629.pdf
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609617201fb5a---97070240547.pdf
- https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/kp4r293hqa2e50g1mgp9b04vsr/96911273869.pdf
- http://szentdorottyapatika.hu/files/89060207652.pdf
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a64bf595845---bupurininelixof.pdf
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0391727657---45526702908.pdf
- http://csc010.com/userfiles/file/20210625233415_g3m7p8.pdf
- http://mofrantech.com/userfiles/file/77217576519.pdf
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa1a5edab4---vavozoxa.pdf
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160abe5f6adc3c---77758830936.pdf
- http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aabf1542eb6---bijogig.pdf
- http://treeoflifetolfu.com/clients/0/07/07f122ebb3396bb3f917f2e62af81596/File/6451656903.pdf
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/sqbi3pkkeoa3qcju347a9r85cs/44703113356.pdf
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d95c75720a---rewegadebovosiluw.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e616c9e012---41863829428.pdf
- http://blissrenewbeauty.com/newerac2c/userfiles/file/24136276531.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=deviance+in+tagalog
- 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_off0000f1fe.bind85765564e124d22736ae2642c15dea854cf99fbe031963e45cd8bc3a12e0cb4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1FE | 20324 bytes |
font_01_sfnt_off0001258b.bin6357d5b638dd5acc6397a9376105e546d13bfd2cfe617886e7432ade4dc12486 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1258B | 10204 bytes |
font_02_sfnt_off00013c99.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C99 | 16792 bytes |
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