MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It functions as a link farm, with numerous URLs pointing to compromised CMS upload directories, suggesting an attempt to lure users to malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further indicates a pattern of using disposable hosting for link farms.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160ad89d281ffd---lupowiwuwoxolasim.pdf
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/bnvk6ejcilg6u5alk98h0f18vm/92733193005.pdf
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/hctioah255r4rs7go3fi5v94u6/44583007387.pdf
- https://turismoporsantander.com/aym_image/files/415225800.pdf
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/d31d72cbda2979a1f58e5e9482ba6a0f/9595424552.pdf
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084cb19e80b2---suzozatenizabafuvi.pdf
- http://veronikavilla.hu/userfiles/file/76141314055.pdf
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/bec7762dd84a47e6a716cb00da0eba66/24687431535.pdf
- http://alliance-ltd.com/userfiles/nisemoxidapegozewevutewi.pdf
- https://noddy.nu/images/file/7999297180.pdf
- https://sbufficio.it/file/50534908344.pdf
- https://mayurherbal.com/userfiles/file/85391010519.pdf
- https://cjsc.se/ckfinder/userfiles/files/zarifoko.pdf
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/je1lgkki743rglav3ce5pfnkd2/jupesaduzixivabewagovawab.pdf
- https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8809719b28---datinepibarore.pdf
- http://kartywspomnien.pl/uploads/assets/file/jokudulopogabox.pdf
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3377a4ae47---822413086.pdf
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/kmfh505qql5rmkhtuou88scg6u/96412195606.pdf
- https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/9innlglr0j7cadnioc63jnf8pl/rukerofupap.pdf
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/16084d470e48aa---75177388546.pdf
- http://lyjclinic.com/ckupload/files/fitapuv.pdf
- http://bachtungcompany.com/upload/files/bozipedur.pdf
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/39c543b90ae995bd1cf8015d66e7c3f3/rekiwanujagugibab.pdf
- http://amblesidewindermere.ca/fckuploads/images/file/numil.pdf
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160a3f18b41bf8---4705690680.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=father+murphy+st+dorothy
- 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_off0000fce3.binab115370487073219317c8152e333726061bac7eca849caf792a55f83f29444a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCE3 | 18836 bytes |
font_01_sfnt_off00012cd5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CD5 | 16792 bytes |
font_02_sfnt_off000144ec.binc6625754cbe91644900201bce56b70fb97d7967c180142525af93c16d17e0304 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x144EC | 10604 bytes |
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