MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a link farm pointing to compromised WordPress sites, suggesting a phishing or malware distribution attempt. The presence of embedded URLs and the nature of the link farm indicate an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://shacklefordlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zugerifelajatajo.pdf
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077abaa3bbc2---41966701395.pdf
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a87e4e3ae2---86065888089.pdf
- http://extracam.es/app/webroot/arxius/file/89353775444.pdf
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce073c68f78---2039940312.pdf
- http://prvugkh.ru/uploads/files/gabuliw.pdf
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/dc5mh12i7g48kv1usn68n7v3ij/pejozunelonomidivirew.pdf
- http://fatamorgana.fr/uploads/assets/file/13069865393.pdf
- http://playfromhome.org/clients/4/49/49939bf6a151252ba1adfe53d1befa29/File/raxifefidilak.pdf
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a500b946f3b---76398850052.pdf
- http://seoulsquare.com/userfiles/file/39018907382.pdf
- http://gemculture.com/userfiles/file/74881744263.pdf
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce3c2e3620---24104281880.pdf
- http://www.accessibilite-salle-eau.com/ckfinder/userfiles/files/19750566628.pdf
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/736325616407b7b87624f2917c915137/rabavukumigeba.pdf
- http://korsorlampang.net/user_img/files/76979025016.pdf
- https://shatalarab-llc.net/userfiles/files/54507707003.pdf
- http://lapenya.cat/imgjovesnaves/file/koxejijezanonibipodiwamo.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/ujfv77e8eikifdfkpn9d4pmg5s/defidasazumuroxedoxebi.pdf
- https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/6d0000d0ad7623912c6e936c1bd3506f/dalipaxefe.pdf
- http://medtravel.pro/images/hand_uploaded/files/gowisabosa.pdf
- https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/e16c75d9f27b3f10c7a43f5ad867dae5/16971976274.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=enthalpy+of+hcl
- 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_off0001094c.binf5c7e7326a163189f4ac67685620a8dbf1b7bb571aa0d081c13af119cfebbd98 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1094C | 18808 bytes |
font_01_sfnt_off00013b37.binb3119f608305efed3f7687e40402ea87bd577ea30d04e8b7e523940b4d514c6f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B37 | 10180 bytes |
font_02_sfnt_off000151f7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x151F7 | 16792 bytes |
font_03_sfnt_off00016a08.bina31e141fb2917ac6221449cb8c95e700680d048453672ad8ad57cd6853c5c53b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16A08 | 16108 bytes |
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