MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links pointing to compromised WordPress sites and disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution. The presence of a 'lure' heuristic further supports that the document is designed to trick the user into interacting with malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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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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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Macro/content-enable lure medium SE_ENABLE_LUREDocument instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
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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://wastran.ru/uplcv?utm_term=healing+with+hyperbarics
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9f5c56fdf---zabimikaxa.pdf
- https://menuiserie-sainte-anne.fr/userfiles/file/buximusapusuw.pdf
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e980ae7c2ab---zabadibunasuxawugotiv.pdf
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/16073b5ef726e6---tunezoluzefo.pdf
- https://aarushimukhwas.idealviews.com/userfiles/files/53296896424.pdf
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/441b8571978a6ee74fe31d7a854bc338/tikigedinil.pdf
- https://castilloexterior.org/ckfinder/userfiles/files/25045312541.pdf
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/9ca89dc34a9c57c333d8ee498e1b7517/buwurumajisa.pdf
- http://architettoangeli.it/userfiles/files/46151080761.pdf
- https://capecoralliving.com/media/file/90438621195.pdf
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/tv256mic5geqjsme5hp2sk32h5/17517269682.pdf
- https://limpiezasinasel.com/userfiles/files/fugujoxivi.pdf
- https://marbeyoyun.com/calisma2/files/uploads/kemefafopejejiwotit.pdf
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/qj93tnch09ddoftu0uog0dkodc/95865325762.pdf
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16102780370a45---99305937540.pdf
- http://sqc.jp/user_data/editor/ckfinder/core/connector/php/upload/files/96713215481.pdf
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b42fe75904e---79152941852.pdf
- http://ducthoaudio.com/upload/files/votaju.pdf
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9fda556cb1---mafitosodem.pdf
- http://enewind.com/pliki/file/6431994993.pdf
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/q7l1htbhgp1dfv06bn653sts8k/vifamunatagar.pdf
- 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_off0000e734.bin40f4673f69441a445aeba439b84a2d778cbaa11d08b31f91940828a533ee1c5a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE734 | 17716 bytes |
font_01_sfnt_off00011553.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11553 | 16792 bytes |
font_02_sfnt_off00012d6a.bin456ee822447fe981b4a526c9eddf75ab5ac783db7488864137039fa06a3458ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D6A | 10864 bytes |
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