MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised CMS upload directories and disposable hosting. These links likely lead to phishing pages or further malware downloads, consistent with a spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9893
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://allytemp.ru/uplcv?utm_term=today+live+wether
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/rtgluk3ogqo4s27req986929k1/figevumumizilisidinide.pdf
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160814aa33a96d---robunesorokopinira.pdf
- https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/16dde9d7a589e60f4bdb63c128f0f73d/jajogiketadate.pdf
- https://marblo.ph/app/webroot/img/files/pumurasewoduta.pdf
- http://viviapalermo.com/userfiles/files/1406471115.pdf
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7e83b71a19---bokiw.pdf
- http://xn--or3bi2da319p.com/upload/fckeditor/file/3786528690.pdf
- http://abcbyspu.com/ckfinder/images_store/files/sowavobazumunule.pdf
- https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/bca90149aea60121fe4dfdc277ef944b/39831269504.pdf
- https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/1784539a99bacab1a50cab503f5dcde1/92754887511.pdf
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078be1b643a8---7609606433.pdf
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e2c87b66aed---wufetiwijefomoseb.pdf
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd8c9ac622---donadapufunofixufo.pdf
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/hj8rm9gdqntdiob4527rnf51a2/68441075667.pdf
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/8588d7f12dfcdf54bad4ca0a1d64baab/rasuk.pdf
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce1e67c6da---35512285112.pdf
- http://westernmaki.com/uploads/files/dimutaridalelazavav.pdf
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c33b90168c9---93140868567.pdf
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160cd48b89abc7---18140851708.pdf
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/m5icu9g0an9cfabjf8gapb3sg2/xaviranu.pdf
- https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/lkejtmp19miv66sbgdge28g6hu/pitaniz.pdf
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c9ef0bb9664---fenorijofad.pdf
- http://ournextfamilyreunion.com/clients/4/49/491fb30de6d8464ca6518fa43aba5bd5/File/85855067397.pdf
- http://emirates-offshore.com/uploads/image/file/tujumetanenoxa.pdf
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16097259d76327---negusuzefibilimevu.pdf
- http://www.tomasjelinek.com/img/pub/file/97668336889.pdf
- 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_off0000c439.bina94c07d3e8ff03d5c46e74514c899616fb76aed7086bcaf6b05baa5105615d2f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC439 | 10300 bytes |
font_01_sfnt_off0000db90.bin6a197bb923518b5c162d144d046b1235b91d18f5ee30f21aa98411589ebad9ed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB90 | 16564 bytes |
font_02_sfnt_off00010723.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10723 | 16792 bytes |
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