MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution scheme. The embedded JavaScript likely facilitates the redirection to these malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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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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://nomylo.ru/uplcv?utm_term=prime+time+3+english+book+pdf
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/0ffd8dc275f333e3fc8ef9afd9c39e59/gijovoxanokizinono.pdf
- http://ecohost.ru/pics/images/file/vofojutusarifonuzidol.pdf
- http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/160c1763816e9a---16395387876.pdf
- http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a341837d22a---79975029666.pdf
- https://ixiu-23.com/uploads/files/202108241855206194.pdf
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/00797899fda9843545b598a35016b57e/88618939673.pdf
- http://eaeocs.com/clients/c/c7/c75ed17bfa54634cfc1039f1b599a7e7/File/70682143230.pdf
- http://dui-antidote.com/images/userfiles/file/savinewaxevowedukelalir.pdf
- http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd0b02c4303---tufupoxilebekekimawu.pdf
- http://epoetryworld.com/clients/53741/File/3815923490.pdf
- http://downtowncincyhotels.com/core_degree/admin/images/cms_imagesfiles/noxujabamuralarod.pdf
- http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1607e346363e19---japovirutu.pdf
- http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/55902c1f4c2a0a5d8065de4ae0f44113/79710958755.pdf
- http://ros-grad.ru/fck_editor_files/files/busakulevarugiwo.pdf
- http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609caa0ac50f5---49199089484.pdf
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/grsj0phlct6ee02dfecdf6deq4/4883494604.pdf
- http://jorkurojus.com/userfiles/file/gewinisimogig.pdf
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092eefdd0829---12783802450.pdf
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c4fe112710---91696935216.pdf
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608ecb6e8e568---kizikorusanemiteme.pdf
- http://arebiatours.com/uploads/files/rawosodilujidegoxete.pdf
- https://www.assessment.unibe.ch/app/webroot/js/ckfinder/userfiles/files/jimevafunosavajewavodaser.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_off0000b96b.bin3784a938f20fb394cdb392b29d7b0986ca272a257d32262d339b55c68dc0a526 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB96B | 16776 bytes |
font_01_sfnt_off0000e554.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE554 | 16792 bytes |
font_02_sfnt_off0000fd6b.bin6a669a6b2b5712c10a1fe1123c1db3bd8a90f2391c66849cb4d5275d3f3f4dea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD6B | 11188 bytes |
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