MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document is identified as malicious by ML classifiers and ClamAV, exhibiting characteristics of a phishing lure. It contains a link farm pointing to various URLs, some hosted on compromised CMS platforms, suggesting an attempt to direct users to malicious content. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs users to open a password-protected archive, a common tactic to bypass security filters.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://archism.ru/uplcv?utm_term=intestinal+tract+infection
- https://doluhosting.com/calisma2/files/uploads/57534086908.pdf
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608de3c4c4617---24315392192.pdf
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/stkgkipbj3gs00ipg2b3chpeep/xozora.pdf
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf9ba12c0a7---51287943430.pdf
- http://maroba-zirndorf.de/file/rewileji.pdf
- https://autoradiator.mn/uploads/ckfinder/files/pokikorexokofa.pdf
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/2cf063654857faed70586ce1a4e23fb3/71550159595.pdf
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/4sh3o3sfrnc9j2tfaf0em99eqe/firazamudujik.pdf
- https://aluminiosarla.com/userfiles_arla/files/rimenebedunuvofevemetemul.pdf
- https://dcoderesearch.com/uploads/fovunu.pdf
- http://akkoryazilim.com/userfiles/file/56476570269.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d57c01282ee---40862877982.pdf
- http://woodsfamilypride.org/clients/2/2c/2c83419adcf4927d74d3defe18342386/File/dituzisezedoxivobilej.pdf
- https://braindevelopmentmaps.org/userfiles/files/piwabofazevaxuro.pdf
- http://micdelhi.in/userfiles/file/70607566590.pdf
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/0pehkjoo9gn3ui584la6i0g07u/duzuwosoriwajeworuwabu.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/0a9c4867888ba2f58c8965deb340f7cd/nagizunag.pdf
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/cab6d2054bed9866b9fa5eda6a4df72b/surojolejamokoxada.pdf
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/ldb55j8df64jgroh9uo9igvnfc/78877211129.pdf
- https://bliznacite.com/files/tujigopumijanezewazazanim.pdf
- http://naturallabs.de/userfiles/file/81126513519.pdf
- http://files.ibiza-ferien.de/file/bonapelap.pdf
- http://techbico.vn/uploads/image/files/tezotedus.pdf
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/ac110f9d0724018e50a0fd3652530efb/fibim.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e240.bin9255f432a717c04b337acd77a4e12b2f297a3022442b918f4856a63236dc54ea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE240 | 10280 bytes |
font_01_sfnt_off0000f98a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF98A | 16792 bytes |
font_02_sfnt_off0001119c.bin5819077caa63e00ffc770b80db2842af65722a3572b7be54aba41cc5ea23dad9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1119C | 15928 bytes |
font_03_sfnt_off00013ab5.bin0e4cde3d5bdd5452960de995a4807c8da4ec665155a9812e2f8e54e6c49b7878 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AB5 | 16448 bytes |
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