MALICIOUS
156
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, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, hosting numerous URLs pointing to compromised WordPress upload directories and other disposable hosting. These links likely serve as lures for phishing or to distribute further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160812b525b9b1---salilurafubegaxuvotowa.pdf
- http://abwlondonblvd.com/uploads/files/55233333343.pdf
- http://dkyangmei.com/uploadfile/file/2021070519124073499.pdf
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/6da01b757e540dc77b4ec37535fbd7f4/30483483722.pdf
- http://ylpcl.com/ckfinder/userfiles/files/lagewuzikagilepes.pdf
- http://birons.net/wp-content/plugins/super-forms/uploads/php/files/3d16c8e800815afeacd2d388fc995f44/79276914696.pdf
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d338e5ca738---sevutuluk.pdf
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/c4ad545b8e5025ee902d89625c918c27/podubevemonovogovofabor.pdf
- http://carneslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/66603282015.pdf
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099b44b35661---rupojowexopesabopemov.pdf
- http://ituor.ir/basefile/chartermeinfo/files/pilageriwivope.pdf
- http://teifsepahan.com/files/file/loxulixisabarununif.pdf
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b50a65abca---54067570483.pdf
- http://szilasfood.hu/pic_upload/files/sizabafe.pdf
- http://rajskiewakacje.pl/userfiles/file/sijamezeluviruninaxag.pdf
- http://liily.jp/upload/file/20210801011349.pdf
- http://centromp.it/userfiles/files/jesasemazodotov.pdf
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1609c9064067df---lomolaketizilidaverurud.pdf
- https://dintek.eu/uploads/file/fifop.pdf
- http://arablift.net/userfiles/file/jituropujisizubor.pdf
- http://constantemail.com/userfiles/file/162560354214906046124.pdf
- https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160752237c0f64---31320393234.pdf
- http://yossy.biz/userfiles/file/rajotiduzudavivoguneli.pdf
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16107c8d7e86dd---kogexaxopawunaduk.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=mineral+resources+project+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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ddf1.binbe4f13e9d05fbd04f6d98090cd66be76c2258b9d4b7303cead0897f1f85818ec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDF1 | 19640 bytes |
font_01_sfnt_off00011023.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11023 | 16792 bytes |
font_02_sfnt_off0001283a.bin58bc00cf6b6a5339fbf05daa88ce68488db276f1342d649422c6546de462dade |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1283A | 10836 bytes |
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