MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and a machine learning classifier, indicating a high likelihood of malicious intent. The file contains embedded JavaScript and numerous URLs pointing to compromised WordPress sites, suggesting it functions as a link farm to distribute phishing content or download further malware. The presence of embedded JavaScript (T1059.007) and the overall nature of the document as a malicious attachment (T1566.001) are key indicators of its attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://garglob.ru/uplcv?utm_term=white+long+square+acrylic+nails
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a48b6b1270---mopixufegalefepadepakoza.pdf
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609e9ff651a0a---zuxavaw.pdf
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608390122586f---43822336304.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/118l9bh6onjdqvls6t8o5eg29a/kufimirojezozivusudox.pdf
- http://accessiblevehicleservices.com/userfiles/file/95892094379.pdf
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/1rburhliqd6g7n4l76de02ndt7/22672529029.pdf
- http://brenno-tojestto.pl/userfiles/file/80001171589.pdf
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/88e71568d7e347293778370e4992f00d/67567214497.pdf
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/hprkn0aggvc3gs10cs4knhuig1/78779862703.pdf
- https://www.hemoroidklinigi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607abe16cff1d---97047601211.pdf
- http://rjbmachinery.com/d/files/50683733416.pdf
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3565a19e0d---29706157527.pdf
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160968fb481f3d---77099765373.pdf
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/8ca6de35f96f07f6399cc0e86b95aa9d/88072285134.pdf
- http://sns-russia.ru/userfiles/file/diberabuf.pdf
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/1608f123ca28d0---83572305400.pdf
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/53ae108fb402cb4b14917a1437ce64df/74067909313.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/05d48bf81d1935163d9c87655e1ea265/gikul.pdf
- https://soyana.de/js/ckfinder/userfiles/files/41249433865.pdf
- http://digitalpolicycouncil.com/imagenes/file/75670963740.pdf
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/3115e6ffb02cfb82541e2a83c3618672/tenofinegobura.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/e9ekj3tk4jpsh70uebi5a51ud5/35846149270.pdf
- http://aitrans.org/UploadFile/file/F1202106261327162211.pdf
- http://fcv-bo.org/data/fcv-bo/userfiles/file/52776989472.pdf
- http://planbmedia.hufiles/pawodiganuvedi.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_off0000db36.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB36 | 16792 bytes |
font_01_sfnt_off0000f348.binda758b26727752a096348edcc3a6fe8ee913910aa5085e664df6f308256778d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF348 | 16996 bytes |
font_02_sfnt_off00011fae.bin14d047ecfc1f6b7186fcbbdb7b613c08691cb7b9d7f81db92e87801c77d90aec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FAE | 10864 bytes |
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