MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan distribution attempt. It contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the overall structure point towards an attempt to exploit users through deceptive links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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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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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://ski-experience-japan.com/images/blog//file/7553482234.pdf
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071bf6940a63---wutugabizefebabamiza.pdf
- http://kingsfinancialconsulting.com/userfiles/file/81253028133.pdf
- https://olgapopovaphoto.com/wp-content/plugins/super-forms/uploads/php/files/5505f5ab3f5d531abbca67321c47e525/wogolerubogonamibidejolu.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/13pqgmg49f1qpb5dasgvi98i53/91019671128.pdf
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/1609d456b832c7---32088679061.pdf
- https://viettincapital.vn/upload/files/76340093718.pdf
- http://sanmarinreunion.com/clients/c/c0/c0747301521b2fcd71a0106c9132c7e7/File/52496802217.pdf
- http://nitexprofi.cz/userfiles/file/marazikaxasa.pdf
- http://notarbrazda.cz/userfiles/file/61724011410.pdf
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/2919dad70db95976cbac5fa145412aec/92591981414.pdf
- https://accuratesearch.com/userfiles/file/putijumomulopawovivapuso.pdf
- http://unseenadventure.com/userfiles/file/60156795498.pdf
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d419e48b4c---pudegozumidixakavakavi.pdf
- https://ajwatravel.com/wheelmarine/userfiles/file/namurezifuzuvifitevek.pdf
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16076e449e5189---rebawetupadanajalo.pdf
- https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/dca325fb326e21a40031334a252aa364/91450003191.pdf
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/064mm8it57h0p468md0jmt1c0k/kerodutekatozepexutibi.pdf
- https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/87cc24effb748e6e81eb21175d42bbcc/karigilusamojulipo.pdf
- http://christopherdallo.com/file/83159341167.pdf
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/414726e760988e080eceacc21d32340d/buzedogew.pdf
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bd84f99f5aa---14471186571.pdf
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160c0f01bdc013---47686549677.pdf
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af9a78b32fb---modazojer.pdf
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c990f9463da---45149656071.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=insanity+workout+guide+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_off0000eb1a.binb5d0e6a166fed8a9434dd8f43f551e3194ff1d43585009cf01bc32d067030618 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB1A | 16728 bytes |
font_01_sfnt_off0001166b.bin68060fdf4f7e0e1592980bbc83768ad243b871b719d4dd79848d7107583c161d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1166B | 10968 bytes |
font_02_sfnt_off00012fef.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FEF | 16792 bytes |
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