MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to various external URLs, some hosted on compromised CMS platforms. The presence of a 'download button' lure further supports the attack pattern of enticing users to click on malicious links, likely to download further malware or engage in phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9932
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://smidgel.ru/uplcv?utm_term=anjaam+pathira+full+movie+download
- http://bukharageorgia.com/sites/default/files/file/89120538029.pdf
- http://rtm-plus.ru/ckfinder/userfiles/files/sibelowikovamabudomizabi.pdf
- http://reguitti-engineering.it/userfiles/files/97258693379.pdf
- https://indiantalentjunction.com/milan/media/67766254498.pdf
- http://wingprocess.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/17574351258.pdf
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612fa6bf09ffe---badogedubumademigulunix.pdf
- https://ctcitsupport.com/media/files/nipebibepumorazu.pdf
- https://atputasbazes.lv/images/userfiles/files/92630701542.pdf
- http://bordahusfeldolgozo.hu/editor_up/tevilupesuresisijisi.pdf
- https://procogs.com/FCKeditor/file/niluvopev.pdf
- https://intersensor.ro/v2011/Files/fck_upload/file/12504991031.pdf
- http://kemnhapkhau.com/upload/files/tosikiderutam.pdf
- http://jafra-com.at/userfiles/file/55414849493.pdf
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138357635578---19500912377.pdf
- https://tauthuy.vn/upload/files/xubafu.pdf
- http://playitdirect.ca/ckfinder/uploadfiles/files/36765335726.pdf
- https://rux-thai.com/ckfinder/userfiles/files/katezufiku.pdf
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/ofopt7utvqlkc6i28i7k4vn4ri/dotopozeze.pdf
- https://total-sport.pl/img/upload/files/dakugirewenag.pdf
- https://hfbee.tw/upload/ckfinder_temp/files/20210905054326.pdf
- http://huerural.com/uploads/image/files/24410611997.pdf
- http://demo755.webbazaar.com/uploads/3167230992.pdf
- https://rainbowprinter.com/app/webroot/files/file/vobizekekefeguruwugedip.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e020.bin1d134ee03a1ce1be059dea3080e2db6d7cd852ee36138df8d78062f6c32b2d7d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE020 | 17792 bytes |
font_01_sfnt_off00010d90.bin48d26c11fcc11d25b54d6a5d95229fb78a124858b6058da9b2177e2e6a838271 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D90 | 10960 bytes |
font_02_sfnt_off000126c2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126C2 | 16792 bytes |
font_03_sfnt_off00013ed3.bin146a7b26443b90e1139447df1cb09ce84126d8382c748950ea743bf34dc7e22e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13ED3 | 17848 bytes |
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