MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The ML classifier and ClamAV detection strongly indicate maliciousness. The PDF contains numerous links, many pointing to compromised WordPress sites, suggesting a phishing or scam lure. The document body, though heavily obfuscated, appears to be a 'guide' which is a common pretext for such attacks. The primary attack pattern involves tricking users into visiting malicious URLs hosted on compromised infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/e42u7pj9v7n5006f85mqpdjg9n/66527964641.pdf
- https://teenvolunteerhouston.com/wp-content/plugins/super-forms/uploads/php/files/6829ab4881f867492f067e47b646f095/97959870334.pdf
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071ed03df29d---32938795714.pdf
- http://tamker.hu/userfiles/file/33571343653.pdf
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16081780d54c61---texonitirojetiwul.pdf
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081c0ad9190f---72774862880.pdf
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/na6ig6nv0qchqvfd8qticalt11/semuladetol.pdf
- https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/1hkqe4qtcuvt3djpcqbr281e7m/1643314555.pdf
- https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/e4b21229d3e2cec6ff7c35dc5fe9ffcd/nazapesesomadixab.pdf
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/0fe30584552f89beb5f588e7e0adb207/76096402349.pdf
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160749147d8c23---tidup.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/ug5v82rv0mk618e2piqk69omof/xozepivewawesubebi.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606f843ce3113---20953349999.pdf
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/16081ddebe6f4a---medagewudod.pdf
- https://felix-schulze.biz/wp-content/plugins/super-forms/uploads/php/files/1268b3lc7iqi23alj5kljh812e/zipomapakonut.pdf
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16088244160899---legibozegexupa.pdf
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/8cc3970b6988f5fab994d09e6214a6c9/mowozopopa.pdf
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607adb70bb7cc---38068698519.pdf
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/api74ag9tdg3rqivd9cosp8lo0/femugeto.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=feudal+alloy+guide
- 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://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e7a4.bin7df3fd3598f81f802c5d922153309831f129e7b3db2ddb536418580b48387ecc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7A4 | 4776 bytes |
font_01_sfnt_off0000f807.binae7805a546588363c22931d7ddadcbe60f718412548cf6565811593698fdf1b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF807 | 11532 bytes |
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