MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics as malicious, including a ClamAV detection for 'Pdf.Phishing.Trojan'. The document contains numerous external URLs, many pointing to compromised WordPress sites, suggesting it functions as a link farm. The ML classifier also strongly indicated maliciousness. No scripts were extracted, but the overall structure and URL distribution point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://ketchas.ru/uplcv?utm_term=what+are+the+4+cardinal+virtues+and+their+meanings
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609dcec31a2c7---64488619877.pdf
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/87261d27d9f69e8fe82ae62ad5e68950/nikanojigufuwomolir.pdf
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9c434d99b5---bejezatijibisipetorejuk.pdf
- http://debseven.net/UserFiles/File/58478928524.pdf
- http://cloverpark1959.com/clients/51168/File/fatudedimaxemawev.pdf
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/le5en07llc0hsheo221kr0gln2/viruwosofumamazogezo.pdf
- http://grandviewgroupresort.com/upload/files/nufizorenaxetegugis.pdf
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16086f1204349d---rodudovefexajugobosa.pdf
- https://sona3elkhair.com/userfiles/file/sizugiromopaterav.pdf
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/ba940ad15ba1924cb8a74e7695a80bf0/kuxinizodefumejivuvimi.pdf
- https://pnp-studio.com/fckeditorfiles/file/nejemowokuwejujirelogikiz.pdf
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099d105b0c9a---xowifudejerusokeromafub.pdf
- http://muzeumostrowiec.pl/obrazy/file/nuzawofetunum.pdf
- https://iohrp.org/f_files/files/papelofokobofanapazux.pdf
- http://urduhadith.org/survey/userfiles/files/muvegojirewibixifijo.pdf
- https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/b93f4156021239e15d7c60132c03d050/82069327217.pdf
- http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/7a89bca7d4a3426706e5ec6e766d0722/20885036405.pdf
- http://files.ibiza-ferien.de/file/29041134065.pdf
- http://allasclub.com/campannas/file/lurisas.pdf
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b142d50cd40---4682409749.pdf
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/vqqm9tnifnoefckfal879akbq3/marujokuwitewos.pdf
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d3ef06de65---94826303621.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_off0000fb0a.bin504d48333deeee5138859100898a8d4acaf7fa18adef9fe6be9ebef4393835ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB0A | 16800 bytes |
font_01_sfnt_off0001267d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1267D | 16792 bytes |
font_02_sfnt_off00013e94.binb8c049607823c96be48967797d54a141047b711182a4a2a191d255d12daaeb2b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E94 | 10932 bytes |
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