MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as a phishing trojan and ML classifier indicated high maliciousness. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, providing no direct user-facing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 6
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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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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://imhome-listings.com/userfiles/files/35733464050.pdf In PDF document text
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/ghb2qjs0f4g5khhn9ngpofl39c/xixebaduku.pdfIn PDF document text
- http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fe89fea579---furuzitovepemit.pdfIn PDF document text
- http://e-kva.ru/admin/ckfinder/userfiles/files/61232345835.pdfIn PDF document text
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/cec0ef8f6851a8ac5a0187e9f4795535/51763581115.pdfIn PDF document text
- http://jorkurojus.com/userfiles/file/17464293334.pdfIn PDF document text
- https://patc.fr/imagesfile/46987882685.pdfIn PDF document text
- http://ahkjt.com/upfile/file/josuwanubegevu.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c94e2296acc---suvikukifijajorotobebe.pdfIn PDF document text
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4dfee22b77---jenorogusuja.pdfIn PDF document text
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c3469a07f04---rajerirusaguguxe.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160817a0fabf17---jifafanamaworolomerogonak.pdfIn PDF document text
- http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606eafc472e04---palowovedagaxoju.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/knho90e8mp90ivr2ajbac79d34/korapal.pdfIn PDF document text
- https://mfdesign.hu/files/file/zawemo.pdfIn PDF document text
- http://jiuxingchaoshi.com/uploads/file/140749373775.pdfIn PDF document text
- https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/aad47c544f64e5fa67768306fd05c4c4/42405497738.pdfIn PDF document text
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/1cb5ba66a8efd89096234827db075596/97576195481.pdfIn PDF document text
- http://stattus.com/assets/file/zawaxonosexugofezor.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/297ba7e351aad4fe23cfc0d704f5854c/16577075678.pdfIn PDF document text
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607b9705dee54---65832442363.pdfIn PDF document text
- http://k12kos.com/ckfinder/userfiles/files/22214215432.pdfIn PDF document text
- http://thedreams.cz/files/demaz.pdfIn PDF document text
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/0uvik270ig3csogga5nvnrks15/94455595117.pdfIn PDF document text
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/c6df66d0751081023c39a16a7df88301/lubujimozopusiv.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210713035945091.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=ethical+and+legal+responsibilities+of+a+professional+nurse+pptPDF 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_off0000f0fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0FE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010910.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10910 | 16736 bytes |
SHA-256: b41aee3477bf0db0edfe5ce693b5300c8ba985f31ac263d0dbc215180e46066e |
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font_02_sfnt_off00013477.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13477 | 11124 bytes |
SHA-256: 932aa647b89c61dc214afe7daad8c3b062c615a0f49e125b8ae62df2863a25ce |
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