MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to numerous compromised WordPress sites, which in turn host other PDFs. This suggests a phishing or malware distribution campaign where the initial PDF serves as a lure to further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent.
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://techson-cctv.com/upload/file/remifojowekizupu.pdf
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a7840ce9121---47214862956.pdf
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/635ocqbsfcai69dtpm3jpqjs5n/nosir.pdf
- https://www.m2asolutions.com/wp-content/plugins/super-forms/uploads/php/files/95671ab67dd8aabb5fdf1683a2fb7f65/20143675113.pdf
- http://danguykhoidoanhnghiephp.vn/Upload/files/tajawamadivesarax.pdf
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9ec789736---suzitiraxasatawimokono.pdf
- https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/ftqf6bl26jvt5t5kh90o9lohi6/59496882050.pdf
- https://menlopark.com/wysiwygfiles/file/31614775213.pdf
- https://makenie.com/upload/files/18759260382.pdf
- http://cravaluos.com/ckfinder/userfiles/files/nuvezoxobiwajiduv.pdf
- http://fullcolorspandoeken.nl/userfiles/file/zesiserajeritum.pdf
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a66e0605882---28909324814.pdf
- http://asianmosaicnyc.com/userfiles/file/jugufok.pdf
- http://lexen.ca/userfiles/files/45811114460.pdf
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085af2954d2b---vebuxezijuvekotapofowuro.pdf
- http://aiswaryamatrimonials.com/fck_uploads/file/30228716786.pdf
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/4991be47844f9b84155589a8d19f1304/kisurupe.pdf
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/qs3k75bcr0alu9lg6msbehqj9h/gigesawedolunuweboja.pdf
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c85d9047d8---jevodidefov.pdf
- http://overtonnation.com/clients/f/f9/f97855507a39dfa58978186db9bff07a/File/migozetesevemujazivojodow.pdf
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608000b75b870---80757925373.pdf
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d734544241---28380004970.pdf
- http://summithighschool1958.com/clients/71652/File/sewetogobi.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=dnd+sorcery+points
- 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_off0001020a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1020A | 16792 bytes |
font_01_sfnt_off00011a21.bine2dac29949a5bd455747d2d29ba88a71f2b3038323bda152d9edc5a1ec1e6fc9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A21 | 10416 bytes |
font_02_sfnt_off000131d9.bin02c67765f977939f54b2b74e76d6311b7ded8c828d0327a33e526e7a3a087a62 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131D9 | 16664 bytes |
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