MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The sample is a PDF document detected as malicious by ClamAV and an ML classifier, exhibiting characteristics of an advance-fee scam. It contains numerous links to compromised CMS uploads and disposable hosting, suggesting a distribution mechanism for malicious content. The document's structure and heuristic firings strongly indicate a phishing lure designed to trick users into downloading further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9941
Heuristics 7
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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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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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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://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d241fc4d7f---81452702291.pdf
- http://salkim.com/userfiles/file/bumit.pdf
- https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/16087c71ebf772---tetesemas.pdf
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/o87qf538fvjb2opm52njp2c4a0/kotokef.pdf
- http://hifitness.hu/userfiles/file/baxomitoxuva.pdf
- http://51-lq.com/userfiles/file///72690930397.pdf
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1607d85d696efd---99221235572.pdf
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16084627d27253---bowanijar.pdf
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/160984520e2629---83234774391.pdf
- https://mszukam.pl/dat//file/77883380343.pdf
- http://jucal.es/images/file/teragakudixifi.pdf
- http://newdimension.su/userfiles/file/92646220647.pdf
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/f7d2b439679c2c90a424bc44951d4363/kijasimizanofuz.pdf
- http://geredekombiservisi.com/userfiles/file/67666224061.pdf
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16075f696e0cb5---5808167732.pdf
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/22c1601b785433b20710ddff66ebda2f/joxofosabunupadapo.pdf
- https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/26j218sfjf9a816jet98cqsf4m/69605951938.pdf
- https://broodjedenbosch.nl/ckfinder/userfiles/files/xibafabuxe.pdf
- https://mobilityservices.it/file/suwazorumezi.pdf
- https://drbumbnursinghome.in/ckfinder/userfiles/files/vepusovononamafa.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/pm7nvei7s7rl4q0eejmtuo5d13/38474895589.pdf
- http://hhs63.org/clients/8/88/88ec95b665b56da82b1de85f097fba10/File/zisal.pdf
- http://drivingschool-brno.eu/files/12456686389.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=linux+spi+device+driver+example
- 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_off00016a26.binc935f607d9e22755c3938fdf745237eea93193770f2b97e78136f091470a05d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16A26 | 10680 bytes |
font_01_sfnt_off00018294.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18294 | 16792 bytes |
font_02_sfnt_off00019aa6.bin4b50f9f2ec6405f1e53c1821bba111ed309c290d2116f4e29b37f5aeefe6282b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19AA6 | 17172 bytes |
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