MALICIOUS
216
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, exhibiting characteristics of an advance-fee scam. It contains numerous links to external PDF files, many hosted on compromised or disposable domains, suggesting a link farm designed to distribute malicious content. The presence of callback lures indicates a phishing or tech-support scam pretext. Although no scripts were explicitly extracted, the PDF structure and heuristic firings strongly suggest it's designed to exploit users through deceptive content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 8
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://sampoernastrategic.com/uploads/image/files/vaxugobukagorasisaji.pdf
- http://xn----otbb6ahq3d.xn--p1ai/ckfinder/userfiles/files/76386493305.pdf
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612f3aae4731e---jowen.pdf
- https://gjbuyerbroker.com/userfiles/file/jufodufanumupubim.pdf
- http://tatnhapkhau.com/ckfinder/userfiles/files/kikoduduzuvugapazexema.pdf
- http://clinical-pain.com/pds/userfiles/files/2396583745.pdf
- http://arniuniversity.in/ci/userfiles/files/vevak.pdf
- http://drthchowdary.net/userfiles/file/67600721562.pdf
- http://lrm.mcdonalds.ua/ckfinder/userfiles/files/74410397447.pdf
- https://zapret-rf.org/web/img/podborky/files/46688883203.pdf
- https://juniorclublivorno.com/sitonews/images_upload/files/82881947008.pdf
- http://bobas24.pl/Upload/file/52875893897.pdf
- http://indyskischool.com/ckfinder/userfiles/files/gumapigalalewuxe.pdf
- https://habibitoursegypt.com/ckfinder/userfiles/files/50045303748.pdf
- https://www.loscam.com/lib_common/ckeditor/ckfinder/userfiles/files/12975975689.pdf
- http://freehajjandumrah.com/admin/admin/uploadfiles/file/96859747457.pdf
- https://viveironativodevicosa.com.br/ckfinder/userfiles/files/91541574284.pdf
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c3ce34436a---monurafugazerovixisasob.pdf
- http://pieseclimaauto.com/files/file/najepifomidosegopekubugij.pdf
- http://rigdrilling.org/userfiles/file/59917529830.pdf
- http://narnivet.com/userfiles/files/92835552333.pdf
- https://calendarsunrooms.com/userfiles/files/zakujegotoropitora.pdf
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1613b71ab2dca9---rizisobo.pdf
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/7ad07079178417724dddc3af77bd4175/feferunaputagu.pdf
- https://nikoljski.com/ckfinder/userfiles/files/92640591056.pdf
- http://gayaarchi.com/userfiles/file/20210906190524.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=best+multiplayer+games+for+pc+2021
- 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_off0000eec9.binf8965ccc2c611384a7bd44986a39398e05d3b179848fa9e2826bdd01730d9cf9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEC9 | 18096 bytes |
font_01_sfnt_off00011d94.binb77b3d349761a1f905cb21c058965e5af4316087e08c4c410c91ed864a6431de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D94 | 11280 bytes |
font_02_sfnt_off0001383e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1383E | 16792 bytes |
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