MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as a phishing trojan and ML classifiers indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to redirect users to malicious or phishing content. The presence of numerous distinct hosts and links indicates a broad distribution effort.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160ae2df09e0f1---93955688827.pdf
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c13d82cf034---69804643935.pdf
- https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/0lssj4l3vlvloi6k8ra2f2flrh/fukumufulanulefawapo.pdf
- http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a4404e65d6---49125229612.pdf
- https://vishalahospitality.com/ckfinder/userfiles/files/59022696429.pdf
- http://firmykominkowe.pl/Obrazki/edytor/file/44701123829.pdf
- https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/36c5f366fc31f9c008e58eb4a65aa028/9310094591.pdf
- http://hpworld.hu/data/pic/Image/file/zobijid.pdf
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bf4a1aee875---9311197701.pdf
- http://ciaooo.ru/uploades/userfiles/file/3187358064.pdf
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/cia6jgvmnq32de4p8j4ele68n0/65686150968.pdf
- http://alarcon-v.com/editor_upload_image/file/togeraxozojufosabikamol.pdf
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/28232f26ee9a2b217ab939c01666b7c6/82415476858.pdf
- http://premiercontractinginc.com/files/file/jefumapibiburatavux.pdf
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa4b247d29d---32361099929.pdf
- http://www.goldenlantern.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16095b2e92adcf---9773171663.pdf
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/d31d72cbda2979a1f58e5e9482ba6a0f/9595424552.pdf
- http://ms-krmelin.cz/app/webroot/files/files/18392109027.pdf
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/160705c492da72---14859034797.pdf
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607f0a6da5f9b---28691544112.pdf
- http://xn--aknmedcal-wpbe.com/uploads/file/87190392203.pdf
- http://akicgiyim.com/userfiles/file/wikofux.pdf
- https://yar-net.ru/userfiles/file/87132570903.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=survey+questionnaire+about+consumer+buying+behavior
- 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_off0000e652.bin4c8b997b11ef34b3c93fa75cd467506a14e0ad88e82e39841224fbbcd749b92c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE652 | 11272 bytes |
font_01_sfnt_off00010058.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10058 | 16792 bytes |
font_02_sfnt_off0001186a.bin3444dfde3b690159cdfb4da4973f12be97763bb878d35d1981cfd789c1d4cd13 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1186A | 17612 bytes |
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