MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF identified as malicious by ML classifiers and ClamAV. It functions as a link farm, containing numerous URLs that point to other PDF files hosted on compromised or disposable domains. This pattern is commonly used to obscure the final malicious destination, often a phishing page or a downloader for further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9901
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://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/sbc306bhg26m2h7v7se9k61g6s/xevexoxozetegipurowel.pdf In PDF document text
- http://vistobrasil.net/uploads/file/77049467332.pdfIn PDF document text
- http://promocode.lu/userfiles/files/68662708154.pdfIn PDF document text
- http://pivotal-technologies.com/userfiles/file/25881540505.pdfIn PDF document text
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3a6d5cc55---veruloresemalaxu.pdfIn PDF document text
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b1297160285---1136624691.pdfIn PDF document text
- http://phongkhamthienhoa.vn/images/files/41038922478.pdfIn PDF document text
- http://wenxuezj.com/images/File/rafamapexaxitat.pdfIn PDF document text
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/1608180c9719ab---jitijozusinaku.pdfIn PDF document text
- https://www.lsv-wittlage.de/ckfinder/userfiles/files/zivukigagepukitinaka.pdfIn PDF document text
- http://klasykarozrywki.pl/public/images/fck/file/rabuzisin.pdfIn PDF document text
- http://dtcguild.org/clients/80367/File/sobizovodefojizikinudomu.pdfIn PDF document text
- https://implant-drill.com/userfiles/file/75942486858.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b44523241df---18084866917.pdfIn PDF document text
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d5f47cbdf4---kosaxo.pdfIn PDF document text
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/47149bb396c15930d2ecf003fc859150/mowozibe.pdfIn PDF document text
- https://dichvuketoansg.com/luutru/files/nogurujebasusitik.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16095d774c43e4---vutedoxuzigilobadatudeso.pdfIn PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/2ad65bb9cb8d6673a2eb2b6cd25e56ec/54987026409.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b02467a2eb5---91165359506.pdfIn PDF document text
- https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/k6qr0ln6n7f3v38pe2470bm5ku/bigepovutivuwajaxepi.pdfIn PDF document text
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16088daf80fc75---zelewex.pdfIn PDF document text
- http://aotwresort.org/ckfinder/userfiles/files/28435974361.pdfIn PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/f6fb0042d4e1178a14b4409a9c217e9c/69503817232.pdfIn PDF document text
- https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/aim4605c4dhdl6cgfun8cbibh6/26959500009.pdfIn PDF document text
- https://onlinendttraining.net/files/xikalagolinolikutol.pdfIn PDF document text
- http://mobilephleb.com/clients/2/2d/2d2188d13063160162e6e2bbcdac547d/File/32950305880.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=worksheet+on+types+of+sentences+for+class+5PDF 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_off0000ce2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE2F | 10820 bytes |
SHA-256: f71259f17876b0ec70a4221bbaf3f59bee384b94c306b1bdf1d6d5a14da926f5 |
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font_01_sfnt_off0000e740.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE740 | 16416 bytes |
SHA-256: ff75e05b3a37b9f82e611b42a2430395bf3675793222b9e82a9e413102dc17f5 |
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font_02_sfnt_off0001116e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1116E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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