MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution lure. The embedded URLs, despite some being marked benign, contribute to the overall pattern of directing users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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://zulaikhatextile.com/userfiles/files/96742166132.pdf
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/53p0epfnen9m5a9de67t1kj550/bakusogunudulujukakuduvi.pdf
- http://colescastle.com/clients/875019/File/xeguvekijigor.pdf
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/7138ab2c9bb7b65aa497a182bea00350/42076936309.pdf
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/42f4cb0ea8a9096d76b75b32a8475a80/kemes.pdf
- https://thuanxuongmonmb.com/admin/webroot/upload/image/files/dekotexosojetokibenul.pdf
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16079e55814df7---jetipelugemomevexewidaka.pdf
- https://okazdedziecko.pl/_files/Media/file/63597430825.pdf
- http://maskaevlawyer.ru/userfiles/file/91695765497.pdf
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/590c64ee656f46c4ee98fcf65029115e/37812276544.pdf
- http://basumati.com/app/webroot/ckfinder/userfiles/files/2417485372.pdf
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/nh384j55g3hqck900febr466ts/73170301652.pdf
- http://thegibbsfamilyreunion.com/clients/d/d9/d929505c7faf6263097cc97620c39d65/File/fulax.pdf
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160ad0de0f347c---62531588026.pdf
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16081d564686a7---xegeviluwexabefopez.pdf
- https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/d3975908b2d1f6cad722b52bead898ee/52826226882.pdf
- http://al-bandak.com/userfiles/file/14106941893.pdf
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607313133f151---54830093368.pdf
- http://boxethai38.com/upload/file/45508887285.pdf
- http://ottotech.center/userfiles/file/fomawezasepukuvesuvu.pdf
- http://hpworld.hu/data/pic/Image/file/kuvevagotugekemosumixax.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a3112e29916---50472288455.pdf
- http://hyosangjo.com/userfiles/file/20210715170122.pdf
- http://darienhigh70.com/clients/878490/File/zavibegijejokitazisozeb.pdf
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ead45b3352---72149784742.pdf
- https://ka-base.no/images_content/file/dinugaxabominogijinaru.pdf
- https://weddingitaly.jp/images/file/kebaxifewopes.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=present+yourself+in+english+example
- 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_off0000fb8e.binf7f357486023af7ede0118ca0d72c74b1ac89f173f41ad4027dbd25dcf805ff4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB8E | 18596 bytes |
font_01_sfnt_off00012b62.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B62 | 16792 bytes |
font_02_sfnt_off00014379.binbe1db5698f49799f976bf84ae4e4bae23b9982dcb8e33213bfba25b56e045b8d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14379 | 11124 bytes |
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