MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classification and ClamAV detection. It contains a link farm pointing to various PDF files hosted on compromised or disposable domains, suggesting a phishing or malware distribution campaign. The presence of embedded URLs and the nature of the heuristics indicate an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://rc-modeller.se/images/file///21138459290.pdf
- http://carszana.com/image/upload/File/90497040469.pdf
- https://ideylia.fr/uploads/file/vekujet.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/799e556f1cd359fd05eed48f8d544ba9/61691955074.pdf
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/ea516a0475d07a23d95c77ca3bbda494/lokamenipik.pdf
- http://pn-tech.net/userData/board/file/tadepal.pdf
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/313aea6a288c9e362c731d371f0f51ac/gixibibo.pdf
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/160c6efd7be419---78720802348.pdf
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0a5b17dce0---pegerunuvegebipore.pdf
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083f7280d5d0---73895354725.pdf
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/7cfc92952c56bf5bec2ddd1ec765bef0/mawotizokenidivuti.pdf
- https://transpack-krumbach.de/_upload_bilder/_filemanager/file/tinoleludeku.pdf
- https://masterjobintl.com/ckfinder/userfiles/files/funixemamofetorawabezinep.pdf
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096af697a544---12819985084.pdf
- http://xinyaoqiye.com/upload_fck/file/2021-6-24/20210624095609349519.pdf
- http://jrmhandling.nl/upload/file/94354895523.pdf
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/i45i6c0rco6rdpvbu22p3rqvmq/61667721478.pdf
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/ab956702e6b3e51292daaa7c550796a8/wasufarafadulumiwi.pdf
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/64d2f0f24ebf4ed5388e1fc6cc2b3d42/tenogefa.pdf
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160969276dda4e---bemijikepuwateguvidijefij.pdf
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b7c4e0c53c8---80305509035.pdf
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9a095513c---meziloburogonixupebopat.pdf
- http://polkovnik.su/upload/file/6248847967.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=buprenex+for+cats+cost
- 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_off00011305.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11305 | 16792 bytes |
font_01_sfnt_off00012b17.binbf898168917e2c6f6f8e5e202d419e83d1dc66a40cf86e0cdde0e333e094ea26 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B17 | 17744 bytes |
font_02_sfnt_off000159a4.bin583e2fd92e8f171438b118127d112d7ad8cd30e85781552a822b0848cfd42d4d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x159A4 | 10588 bytes |
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