MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. The file contains numerous links pointing to compromised WordPress upload directories, suggesting a phishing or malware distribution scheme. The presence of link farms on disposable hosting further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://catamma.ru/uplcv?utm_term=foods+that+provide+magnesium
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/87377b6ac3478c6918a8a16a88b66a4b/31166914777.pdf
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094adf504240---sozimozenu.pdf
- https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/94fa7df3f34330c78daea08ec12f9a79/9431254981.pdf
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607ccaf5d600d---58265576068.pdf
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//goserijakuzetarub.pdf
- http://aiswaryamatrimonials.com/fck_uploads/file/34327285495.pdf
- http://zwickerfoto.hu/_user/file/bevubukolagipugonotibigit.pdf
- http://longarmacademy.net/fckeditor/userfiles/file/23415938076.pdf
- https://ludifrance.fr/userfiles/file/dugute.pdf
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160852ee645bc9---40113226468.pdf
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/e0aafebec6dac6c3e65a4b5f58fb1d98/3965366800.pdf
- http://campbellelectronics.com/uploads/tinifofomalikumeririx.pdf
- https://led7.ru/file/25654179841.pdf
- http://lblussana.it/images/file/suwazoveroxupoxafakagak.pdf
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/vq8r231tt4j4k57819rloncmq6/57373513197.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160717ca58b202---15154190907.pdf
- https://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/smr8ms0kiop9oij0i22qhtbvds/1808152342.pdf
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/e3e813a763b06624f4b9c727b697c69b/jibasebotenoniba.pdf
- http://hawks79.com/clients/85064/File/93362286073.pdf
- http://atya.eu/files/file/wozosunuzus.pdf
- https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/82619b5c871e7198836db60c75cae481/gavuzoperutofoviw.pdf
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6c2ad2cc2---pilubojogurus.pdf
- https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/658142c91270fb5a9008c7ef40b6bf6d/xuzigujamu.pdf
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160710b865daaf---pefezanukajitumusumidu.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_off0000d67d.bin9894d608525109446abcb2c2023cd27e8ad57ca4909fa678de9f7b99cc9f0719 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD67D | 17104 bytes |
font_01_sfnt_off000102f5.binb84ef81cd97035e30b5289c536e2a3cb0631dae39db910106fdb0615f6c3002d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102F5 | 10936 bytes |
font_02_sfnt_off00011bf4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BF4 | 16792 bytes |
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