MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It functions as a link farm, containing numerous URLs pointing to compromised WordPress upload directories and other disposable hosting. The primary purpose appears to be redirecting users to external, potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://bustotoronto.com/userfiles/file/11101994593.pdf
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607a7affd703b---lifod.pdf
- http://www.520amis.com/upload/files/55874284624.pdf
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc72c899239---631923063.pdf
- https://wfca-czech.cz/temp/userfiles/files/50261795969.pdf
- http://ineke-ott.nl/keramiek-beelden-imagesfile/50957609913.pdf
- http://vizugy.hu/uploads/files/rozotosurezosafatatafugu.pdf
- http://shuimotongyuan.com/userfiles/file/22949827795.pdf
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//21059909828.pdf
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/qoo4u9fr9n668jiqu29rmb2275/64201185462.pdf
- https://remoteworkerclub.com/wp-content/plugins/super-forms/uploads/php/files/42a203a7221b6b76949c90ca4fbc2a8b/88518376364.pdf
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6ef25cc21---jobawurajunizosozo.pdf
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1607c3dbf8937b---91354224323.pdf
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/5bhqg0ejlhrk8cko0ahoiu7lr8/60100623050.pdf
- https://ols.lighting/wp-content/plugins/super-forms/uploads/php/files/ddd6eeccbadb09588a37fdf9d25b6fb2/wimudalet.pdf
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/16096aa9e586cd---71958931438.pdf
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160aded9860841---44998635362.pdf
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609d953a31216---ranapewevowumezijenakalen.pdf
- https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/duetpuhmop1ecqqgg3b7db3e2n/zotibebusefubudijerimixud.pdf
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607156b03955a---76592882500.pdf
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/fd9f2f533cf6c2ad5cefd4330b991753/guvomatexabaz.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=give+me+a+present
- 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_off0000e605.bin63196aad29c4a275f84118e40eeedd2b774ce1e4823831b648636925a26666e2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE605 | 10352 bytes |
font_01_sfnt_off0000fd6e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD6E | 16792 bytes |
font_02_sfnt_off00011580.bin38bad6fd1d123a8e99b28e5efa6dad1ca4d5d2b785d6af70020cc9268706d9f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11580 | 23076 bytes |
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