MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, exhibiting characteristics of an advance-fee scam. It contains numerous links to external PDFs hosted on compromised or disposable domains, suggesting a link farm designed to distribute malicious content. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the heuristics strongly indicate a scam involving lottery winnings or parcel deliveries.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://absolutelyneon.com/userfiles/file/wevifovoraz.pdf
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/5495d8f9d5b1d7cdaadd7ada808143e7/35587943848.pdf
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f78444868---lowadevezofojavaku.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b288103bc4a---zobetazo.pdf
- https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/1b3dmfuetn9b6pp70rjtl0rpd7/64092751077.pdf
- http://boxshop.mn/userfiles/files/21763425649.pdf
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/1a9eab2a2ca2922f820a400cd86789f9/18456720614.pdf
- http://goteneplast.se/files/images/file/46168777143.pdf
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/252c6b04315d5f4c999443a269c30acc/32589990255.pdf
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/bs35u15mo9vcims07h6f8jddt6/37539895235.pdf
- http://slippersymposium.com/clients/875641/File/42647091314.pdf
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1608652cdd5dc3---72727920276.pdf
- http://hytechplus.com/userfiles/file/21844331616.pdf
- https://maturana.cl/upload/file/44707569678.pdf
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/d5cb026c8d5a5fdef4e5ca933795d9bc/xeputuwuzasorodem.pdf
- http://joelcsimonesq.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/toluwup.pdf
- http://kayapaliinsaat.net/file/90995318601.pdf
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160a3b7dc6e15d---41184507163.pdf
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ade02f44997---witinudolakepuse.pdf
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/f5500141b201ea2657b881f9e9765c06/44682971194.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a2d5bcdb2be---8124359389.pdf
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160bd858d4c819---xozebavugujaveji.pdf
- https://tavio.ru/files/file/90728235224.pdf
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/8ff48ae913f758bd10a9d6c3a0922cf0/zusozanirenalajulowe.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=outpatient+treatment+meaning
- 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_off0000eaa9.bin30814d8c12a636a8f89f3b75cd7a0b3e136fbfce6d36f04b4ac1f1a2c9db8ca5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAA9 | 10384 bytes |
font_01_sfnt_off00010232.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10232 | 16792 bytes |
font_02_sfnt_off00011a44.bin7a1eb3562294213b4bdaff738759cd2f68967563d1892fe0feee2812dded820d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A44 | 16900 bytes |
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