MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised CMS upload directories, suggesting it's used to distribute further malicious content or phish users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically highlights the non-clustered link farm nature on disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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 https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/7d58a220152c35b2498531eefa3960c1/90058279024.pdf In PDF document text
- http://gocep.org/data/userfiles/files/fobudebiguruna.pdfIn PDF document text
- http://kimdaiphatsteel.com/Images_upload/files/tiluwitakemaxatub.pdfIn PDF document text
- https://axlthailand.com/imagexx/files/70155286046.pdfIn PDF document text
- http://niestachow.pl/data/aktualnosci_imgs/file/ponufalodivomuvetiru.pdfIn PDF document text
- http://vanxuantravel.com/upload/files/58267912521.pdfIn PDF document text
- http://czdashan.cn/uploadfile/file/2021052719033673499.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/123ff287411331e39edb696b448c1b81/sidegesebuzojaxujenaxut.pdfIn PDF document text
- http://ellev.fr/upload/files/vunogegakelogalubabarukoj.pdfIn PDF document text
- http://sartor.ru/upload/files/96920096728.pdfIn PDF document text
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/g1kso5gqj7i3fk26c94iqk5i65/45523864125.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607c49cb7b238---96368552674.pdfIn PDF document text
- http://www.tecnobor.com/ckfinder/userfiles/files/gomudifedukizumisoz.pdfIn PDF document text
- https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/052cd28fca42159fa5c85062c6836150/20202668870.pdfIn PDF document text
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/lufkgr787ucl58utjsfchh76t5/ripujazeja.pdfIn PDF document text
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/a816ca6804ff0cd77b1c8000a361e8cf/zafowolulezodi.pdfIn PDF document text
- https://tungqibiotech.com/upfiles/editor/files/loloxuti.pdfIn PDF document text
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/fa86rk3kfqqgt48e68dqk6pgma/37573592485.pdfIn PDF document text
- http://duszek-lasu.pl/userfiles/file/pekomoziwoxoxexotezid.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e56d0494f6---dajugagopodaviwifuv.pdfIn PDF document text
- https://x-software.cz/data/file/38045964223.pdfIn PDF document text
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/j1705h4tm7r7m7m9ralenn5pd1/fidavirozu.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fe1a4b42cf5---60770324066.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=scriptures+praying+for+the+nationsPDF 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_off0000c419.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC419 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dc30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC30 | 11004 bytes |
SHA-256: 95523ca2f40aa2dcdd03d2cea49a0ed3d606a1265a16afd167394381ed0c0688 |
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font_02_sfnt_off0000f5b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5B9 | 16364 bytes |
SHA-256: c86592dd9864e68ce7ec940115b1f04d59eb637c08841a8641df3c05e1c286f1 |
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