MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV detecting it as a phishing trojan. The document contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm to distribute malicious content or phish users. The presence of external URIs and link farms indicates an attempt to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9927
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://wastran.ru/uplcv?utm_term=hot+heads+hermitage
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/r78se4jq5207fma73an84f3kdn/walotez.pdf
- http://www.emailposte.com/pictures/96794205179.pdf
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160baf0e59bdf7---litadulosumepewedavulul.pdf
- http://pokorny-podlahy.cz/UserFiles/File/lemomovoz.pdf
- http://historia-bfured.hu/userfiles/file/77648523327.pdf
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/14d04b82ef4e1f281bae0b4579e7db41/fotevonanejiravenape.pdf
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082f2968e006---budojujifugeliwapuximume.pdf
- http://karimeh.com/public/userfiles/file/wotimubosagunu.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/4ur5305hte117ebkbddnl9tgs5/9634884034.pdf
- http://kimbuunguyen.com/uploads/userfiles/file/xuxidalefesofudorawaw.pdf
- https://bczenekar.hu/files/file/xogajexupilalurax.pdf
- http://cropscipublisher.com/files/upfiles/file/96903327203.pdf
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/pl0idbfq1mpm3s2bd4lsq86q35/wuzudarugabezezi.pdf
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160ade8f12e0a8---18692698253.pdf
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/d9l7kklc07n756bfi90vl52uj9/55723725539.pdf
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/8bff24690b2529be0084b0cb99e6da32/xusipofepakasapuwoleler.pdf
- https://ikitellirezistans.com/upload/files/depesalesawabuguv.pdf
- http://frezerovka.by/images/fxeditor/file/69638321529.pdf
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/94ce04dedaf0c28f84c7707d969e5026/tilovadexamidaw.pdf
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/4303ffbca66ce036d9d6795578fe8e2a/lusuxamuvovuk.pdf
- http://fixafilm.se/userfiles/file/68211927394.pdf
- https://aartipalette.com/userfiles/file/42130673086.pdf
- https://detectiveoffice.net/userfiles/file/81791346447.pdf
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b3de73cb2c9---dadupuzuxipa.pdf
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607e6d368796f---34870092816.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c946.bin356934e8ce177355af2102b8ff209666e66871c35b9d9d8dfc4e1fb7bd425550 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC946 | 17080 bytes |
font_01_sfnt_off0000f5c3.binb033f7fcbcd390b2cb396fbb5f03ef01f7ca9afc151f9d9df21604321f961cfa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5C3 | 1948 bytes |
font_02_sfnt_off0000fec7.binf6f7cb167fae3a6b2d71885e2a962d659f7283f49ffac1d5347a58260681eec4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEC7 | 10536 bytes |
font_03_sfnt_off00011693.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11693 | 16792 bytes |
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