MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file exhibits malicious characteristics, including malformed streams and a link farm pointing to compromised websites, suggesting it's part of a phishing or malware distribution campaign. The embedded URLs and the heuristic firings indicate an attempt to redirect users to potentially malicious content, likely disguised as a movie download. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9014
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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Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTHA PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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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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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://pistant.ru/uplcv?utm_term=project+power+movie+free PDF link annotation
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a6903fecdd7---15978078858.pdfIn PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/cc2bfe5a91fadb202a71a60dadea891d/tekofopuxekigoperotefeba.pdfIn PDF document text
- http://rayocazar.com/images/elfinder-1.1/files/file/77777409695.pdfIn PDF document text
- http://dulichtantai.com/files/uploaded/files/45631227007.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/8d8a7398d01348513572852bb21050bf/konusulizobevufel.pdfIn PDF document text
- http://vhshf.de/File/20513415087.pdfIn PDF document text
- http://ornito-silesia.eu/userfiles/file/91788245403.pdfIn PDF document text
- http://meteosputnik.ru/userfiles/file/mivirujezuko.pdfIn PDF document text
- http://assushop.com/userfiles/assushop.com/file/36927219647.pdfIn PDF document text
- https://www.americansummercamps.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072b7a3ac3f5---93647034096.pdfIn PDF document text
- https://ryokanclub.com/FileData/ckfinder/files/20210730_B95562CA3A8DB2D1.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/8ab9c9c2e271e0856229975debcea28f/xokerunijijule.pdfIn PDF document text
- http://gibisch.com/files/files/maxovisawonuj.pdfIn PDF document text
- http://ed-web.cz/userfilesfile/gosokalarolej.pdfIn PDF document text
- http://groupkaishan.com/d/files/42705862481.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a896fce7983---78432443395.pdfIn PDF document text
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16125ede750944---9588983723.pdfIn PDF document text
- http://atomleasing.ru/media/File/nabowaruru.pdfIn PDF document text
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/2d1d1adbabcbf76c7557c07b454cffa1/49152399441.pdfIn PDF document text
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7b7ca9c6d2---95031655664.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/2275b29605a42305fbd200f5d77a35b8/72553339920.pdfIn PDF document text
- https://tese.in/ckfinder/userfiles/files/38653459060.pdfIn 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_off0000f0ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0EE | 17908 bytes |
SHA-256: 4907cced7d083f3180dd99aa0b3e4e202c3f69f1319c60a924a0623ab12c1dde |
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font_01_sfnt_off00011f39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F39 | 10444 bytes |
SHA-256: 4b48c5988c583222a2b52b991cd5bd10d29fb5cb58828abf17a8a439c394c90e |
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font_02_sfnt_off000136f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136F3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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