MALICIOUS
196
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. The 'SE_CLICKFIX' heuristic indicates it's a social engineering attack designed to trick users into running commands, likely to download and execute a secondary payload. Multiple URLs pointing to compromised CMS upload storage and disposable hosting were extracted, suggesting a link farm used for distributing malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/9dtt1j7fue80v04rsjb8venv51/tabexexaraguvunu.pdf In PDF document text
- http://skiflogistics.ru/userfiles/file/27805746651.pdfIn PDF document text
- http://autofulltravel.com/userfiles/files/dabozapobebamuban.pdfIn PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083157c92704---puxikovuvoborekojab.pdfIn PDF document text
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a05e53f0a49---44575650445.pdfIn PDF document text
- http://voxel-avocats.fr/uploads/file/47748420269.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160abf49e2834e---dowinusudojisu.pdfIn PDF document text
- http://ibrahimalsada.com/pics/file/95885071992.pdfIn PDF document text
- http://marmaraisg.com/images_upload/files/wesenam.pdfIn PDF document text
- https://sunwayhk.com/louis/STARKGROUP/ckfinder/userfiles/files/68811200904.pdfIn PDF document text
- https://hotel-la-licorne.fr/userfiles/file/47315135972.pdfIn PDF document text
- http://eyupsifalibitkiler.com/resimler/files/xoxadulifefitagokelesitu.pdfIn PDF document text
- https://peilimineko.com/userfiles/file/binuxesizaribepurawe.pdfIn PDF document text
- https://bauarch.bg/files/22778118987.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16091a474ae948---68456765455.pdfIn PDF document text
- http://majorpropertygroup.com/userfiles/files/jiwovugufowulim.pdfIn PDF document text
- http://banglenhospital.com/UserFiles/File/xalefajageva.pdfIn PDF document text
- https://rpdev.org/ckfinder/userfiles/files/rozejozakujerufelovosanap.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=how+to+get+minecraft+java+edition+for+free+on+pcPDF 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_off0000dc36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC36 | 11020 bytes |
SHA-256: 5520f474823299d5c52bd6f7b060beb77fb13f4cae9403b7e0f1f3eb7cc1450e |
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font_01_sfnt_off0000f59c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF59C | 17332 bytes |
SHA-256: cc02142cfda4a389c874f769eaef966c51d3b17b5633f46756402f14030b9fe2 |
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font_02_sfnt_off00012313.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12313 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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