MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress upload directories. These links likely serve as a distribution point for further malicious content or phishing attempts.
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 http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/16076e7f157f7c---14877945888.pdf
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b248b53db73---31147790897.pdf
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/b0v941t993maeu0k6jg8ru5pc7/wewodufo.pdf
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/e8f5ffae3f6ecbc01342f5c247cd434b/62573655411.pdf
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/0509b683c93b63aef8bc3fb5157b48b5/rigoxijarixirugazaxezisaz.pdf
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b6c6953171d---bidoxudalurovaj.pdf
- http://pensionpoint.cz/userfiles/files/45921175161.pdf
- https://www.neosynapses.com/wp-content/plugins/super-forms/uploads/php/files/im73upasgqv4tak2r98g5ksutb/dozoneta.pdf
- https://p87.hu/files/81646129315.pdf
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/16083dff5f3979---xugiremasuvajikarorikipod.pdf
- http://efuegypt.org/userfiles/file/lopedowapuje.pdf
- http://jlm-kg.com/uploads/file/nixejitexorobuzujurifuz.pdf
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609c28c909fec---95332066128.pdf
- http://piqiso.ru/userfiles/file/kodewoko.pdf
- http://allycatering.com/userfiles/70383180308.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/70833195242c3a994ea7bd8c5fe47f1c/50271015532.pdf
- https://area34.info/wp-content/plugins/super-forms/uploads/php/files/un3jhu9lq93fi15489g5b134f2/witejezuxuwagafuwi.pdf
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/eg062v7u4n88tvi10f2nefkg00/dimudodigokek.pdf
- https://aldurra.ly/images-editeur/img/file/kaweb.pdf
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/trjop0v7ghe4q3e9h00j6o7549/tirabegefitumi.pdf
- http://x-site.by/upload/editor/files/musibid.pdf
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/4d57105c21f1a03a2a42bd40c061f953/92939135316.pdf
- https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/0f615f6d38724bfafcc4c427dffdccf6/bepuxesenorux.pdf
- http://airsoft1.ro/files/file/raxudameg.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=american+choral+music
- 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_off0000ec69.binb71478639dea7603f664f47856b2a1ae5648908b5c218639f6f2a20b4f6fc956 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC69 | 17720 bytes |
font_01_sfnt_off00011a40.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A40 | 16792 bytes |
font_02_sfnt_off00013257.bin07768198d646319eb7dd858d48690a94f8382caf023568af4da57ffcb1b88f10 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13257 | 10476 bytes |
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