MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm pointing to compromised WordPress upload directories, suggesting a phishing or malware distribution lure. While no scripts were explicitly extracted, the presence of numerous embedded URLs and the nature of the heuristics indicate a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
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 http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c97e54f06ae---tadoda.pdf
- https://tskrea.com/userfiles/file/10411836939.pdf
- http://xn--eyt274i.com/upload/files/lipevelik.pdf
- https://www.lashharmony.co.uk/wp-content/plugins/super-forms/uploads/php/files/hhdnaclsuo9efu0rufsbbi5a3t/fonikalorotipufuzodufu.pdf
- https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/846ff0f982c48eba4f39d200b65e1669/60574554709.pdf
- http://photou.cc//ckfinder/userfiles/files/petaxinesisuzetetozuguza.pdf
- http://thsport.dk/ckfinder/userfiles/files/videfekobiri.pdf
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/fd4ec1a7211ab09056fac2d10ead2a22/87771368034.pdf
- https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/ad36d3ac245a85d33af9499c9fe57cac/363941093.pdf
- http://playfromhome.org/clients/4/49/49939bf6a151252ba1adfe53d1befa29/File/miduxet.pdf
- https://ivaco.it/file/83643806244.pdf
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/rek60r2dbcko3rnanjs33dtf0l/5986302014.pdf
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/iu1b1kc61etlg9gvssh1th13tu/43650315268.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a8c82c44fe8---65234273475.pdf
- https://ochronaskory.pl/pliki_user/File/bapuwe.pdf
- http://kaithompson.com/userfiles/file/65358389339.pdf
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/13fff944b05d690b086eb7a538f5fefa/51525942377.pdf
- http://eastendmediation.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/89347859736.pdf
- http://tele-fonika.pl/upload/file/90486830654.pdf
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/89d13d6239da625691dca9c1f96bbd39/telovetile.pdf
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae252ed6f24---17617664085.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=extraterrestrials+on+the+moon
- 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_off0000eca7.bina470142189b6d215846876389853433db9673b22ce6d29387babcc7bd376f42e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECA7 | 17896 bytes |
font_01_sfnt_off00011aed.bin5b3c947262022625ef2d4cfb2d0fa10a94f23c97611fd4c7364bfcc62a76ce6a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AED | 1732 bytes |
font_02_sfnt_off00012321.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12321 | 16792 bytes |
font_03_sfnt_off00013b38.bin03633730c550c2751a445b6a878255f1e1394b370aa8b74b9abfafa318209454 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B38 | 10456 bytes |
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