MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting an attempt to redirect users to malicious sites. The embedded URLs, despite some being marked benign, are part of a larger pattern of suspicious link distribution.
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://s13cf5ef.alojamientovirtual.com/ropalaboralbarata.com/userfiles/file/45253957587.pdf In PDF document text
- http://www.ferm-matic.fr/upload/file/lufojinoburopeb.pdfIn PDF document text
- http://jump360.co/upload/files/20210904070254.pdfIn PDF document text
- http://technoprofile.ru/userfiles/file/xafabiv.pdfIn PDF document text
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/d5401931e3721ae26763cea0d007ee33/962835097.pdfIn PDF document text
- https://tfsroanoke.com/home/tfs/public_html/new/ckfinder/userfiles/files/81748698832.pdfIn PDF document text
- https://villatoscana-pi.it/userfiles/file/zimum.pdfIn PDF document text
- http://www.oe.com.tw/ezadmin/ckfinder/userfiles/files/gifidepumimuxibo.pdfIn PDF document text
- http://sutinlawkrabi.com/ckfinder/userfiles/files/50493038235.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161374abcea9c4---makudonivenemef.pdfIn PDF document text
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/1613189d7b6e6d---12476194911.pdfIn PDF document text
- https://tssch.in/tssch/application/admin/uploads/file/40021173820.pdfIn PDF document text
- http://pobierzplik.pl/uploads/files/manit.pdfIn PDF document text
- http://bowlingkillers.com/imgdb/files/wolufowe.pdfIn PDF document text
- http://puntolinea.org/userfiles/files/81313587864.pdfIn PDF document text
- https://pmeds.us/userfiles/file/kubosajalasufotofud.pdfIn PDF document text
- https://mekongtransport.com/upload/userfiles/files/weruze.pdfIn PDF document text
- http://kimkhimientrung.com/uploads/image/files/34728399665.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/c9iltndqijrie28gsvkud0fja3/zigegisumijudosuzibelag.pdfIn PDF document text
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/e8cc3702d910cd5eebad971e2c7a96bc/50444866854.pdfIn PDF document text
- http://napiarsaigh.com/images/xujawi.pdfIn PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/c9b78c700fde6ab13a3780c07b4b216b/morujefudawomebenip.pdfIn PDF document text
- http://chatfieldfarms101.com/userimages/55580517119.pdfIn PDF document text
- https://congthuonghotel.vn/app/webroot/files/images/pages/files/71710046889.pdfIn PDF document text
- http://surtek.biz/image/files/20150327_093009.pdfIn PDF document text
- https://ags-car.60km.com/upload/files/99621273140.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=android+find+sim+numberPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dbee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBEE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f400.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF400 | 18968 bytes |
SHA-256: ea0c328e841c40592021f284bc4a983964506f1279af21318d7049675c0ef45d |
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font_02_sfnt_off00012600.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12600 | 10432 bytes |
SHA-256: 4bb2503a9ffd6e18aa99a6b36c86abe5843b56ed049bbd5561f80ca61b600cf3 |
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