MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous links to external resources, many hosted on compromised CMS platforms, suggesting it functions as a link farm designed to redirect users to malicious sites or download further payloads. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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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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://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/0c36cc373117acb4c570743b637e348f/3494876260.pdf
- http://windmill-bv.com/userfiles/files/lover.pdf
- https://aiaciran.org/cache/fck_files/file/siworexumazepa.pdf
- http://stellarvvv.ru/ckfinder/userfiles/files/98163931749.pdf
- http://batiment-tunisie.com/userfiles/file/36072543492.pdf
- https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1607dadb3679c4---nurebekufikaluro.pdf
- http://tochuchoinghi.org/files/11151040664.pdf
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6fde650ece---xorelejibuwomu.pdf
- http://slsnn.ru/content/files/43275774146.pdf
- https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c63feedbbe---lesaseruzosumisisa.pdf
- https://rumputhijau.com/contents//files/lafozadaputodeb.pdf
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160e87e2c1b345---puvik.pdf
- https://tenshinorchids.com/FCKeditor_upload/file/kuzalojed.pdf
- http://worthingtonpark101.com/userimages/81430787630.pdf
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/1r290tvogck2ejhettnmuaraan/pilafalutiropadavimutosaw.pdf
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607effdbc12e2---33407464319.pdf
- https://juvelyrikoscentras.lt/Files/file/nukuzafikevuxiro.pdf
- https://www.m2asolutions.com/wp-content/plugins/super-forms/uploads/php/files/852b7b4a5f9b290ff7f9f87c86b72f6e/34033808199.pdf
- http://nct-vn.com/userfiles/file/sowolamebovuvogesuxoleta.pdf
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607c31e5d6f94---7918558979.pdf
- http://coming-c.com/userfiles/file/17567243775.pdf
- https://allianztc.ro/files/file/zotixavasetenezofebiv.pdf
- https://coil.hk/upload/files/25042757343.pdf
- http://emotionpicturesfestival.gr/userfiles/file/68696119948.pdf
- http://frankslawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/15102238291.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=john+wick+chapter+1+tamil+dubbed+full+movie+free+download
- 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_off0000fc93.bin8bb42061da179cbeeb59d94f4696124605535cc6af1fd34d414e4e49c3929a9d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC93 | 11244 bytes |
font_01_sfnt_off000116aa.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116AA | 16792 bytes |
font_02_sfnt_off00012ebc.bin859ccea2bd1a2dca76e3476b89e2c408b0f4ea2d6ed0cd77be6307e61ea277bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EBC | 18316 bytes |
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