MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF document identified as malicious by ML classifiers and ClamAV. It contains a link farm pointing to multiple PDF files hosted on compromised WordPress sites, indicating a phishing or malware distribution attempt. The document body is unreadable binary data, but the heuristics strongly suggest a malicious intent through the use of these compromised hosting sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/00ccae4bd82ad75fb5008da24f85fc00/14700136070.pdf In PDF document text
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/fa5a2cf366d001844dcd9ad9e052737c/mebelewabogugitanapaf.pdfIn PDF document text
- http://ucity68.com/clients/e/ea/ea220da86df44fb0ae3b7c8e8295ccc1/File/wovobogenatedirat.pdfIn PDF document text
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/r648ib7knd9k6ouufjr0ck2oia/89534406777.pdfIn PDF document text
- http://masterref.ru/editorfiles/file/gidogeva.pdfIn PDF document text
- http://symbioticlifetech.org/attfile/fckimg/file///2021060784747_716151447.pdfIn PDF document text
- http://matthewsmillsreunion.com/clients/c/c7/c7863f7b93cb17915b2a89d887155530/File/34453547372.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160706a0594f7b---59277783656.pdfIn PDF document text
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/0991cdcfad7a9fe1aa93cf9e0bda03a7/nolumipilokevukepuletolun.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7ab7c2198---98230465888.pdfIn PDF document text
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607f5ad848588---96807370241.pdfIn PDF document text
- https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/005e97fdd4656328ca89b0539837e13f/nenexowalemewiwusefura.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c7efea82ba---ruwusatorokawasil.pdfIn PDF document text
- http://denki-shonan.com/uploadsfile/wotalojorilatagatopugefuz.pdfIn PDF document text
- http://orikon.net/Images_upload/files/98784481857.pdfIn PDF document text
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/42d7b1fbeef42eb623fee8bcdf70c0a3/57570891558.pdfIn PDF document text
- https://iominneapolis.com/wp-content/plugins/super-forms/uploads/php/files/8e89b76d5162e46492280cddbb256c0f/pugoferogofomixobado.pdfIn PDF document text
- http://z500.si/files/81329854831.pdfIn PDF document text
- http://www.anieliasfx.com/uploads/textareas/file/79823110212.pdfIn PDF document text
- http://polskienarty.pl/data/aktualnosci_imgs/file/podunafusi.pdfIn PDF document text
- http://thebeautyofdesign.nl/ckfinder/userfiles/files/87317778404.pdfIn PDF document text
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/6e0ad1a0fb9c35afec14ab55064a0d12/90031818730.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f1db7840e45---bitiderolo.pdfIn PDF document text
- http://newgatedesign.com/Images_upload/files/tikoresigifez.pdfIn PDF document text
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/5292ee65e9e5732606109624f979ef32/63149385628.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=what+is+the+function+of+information+technology+in+business+todayPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f502.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF502 | 15964 bytes |
SHA-256: 94cf36764b83a0591930cf9936d6ce911ca88e841c8dc94cf321b0d947fdb91a |
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font_01_sfnt_off00011e10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E10 | 11268 bytes |
SHA-256: bf28727aff7df55aeea2d05530979bd1db475425a23679081af30e68dff97b72 |
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font_02_sfnt_off0001382b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1382B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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