MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many pointing to compromised WordPress sites, indicating a link farm designed to distribute malicious content or phish users. ClamAV detected this file as 'Pdf.Phishing.Trojan', and an ML classifier also flagged it with high confidence. The embedded URLs suggest a phishing or malware distribution campaign, likely delivered via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/764d7158d2375211ca67f97cb1c1d76b/71678651071.pdf In PDF document text
- http://riggi.ru/userfiles/file/26013390486.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609081908fcfc---wobidefesipufun.pdfIn PDF document text
- http://aristosaigonhotel.com/uploads/files/74822647020.pdfIn PDF document text
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/1e2021985b2a5335dcafe25a3427dbaa/buvewulovis.pdfIn PDF document text
- http://safeabortionnepal.com/userfiles/file/zutizokivugafadet.pdfIn PDF document text
- http://zhengfutz.com/v15/Upload/file/2021729221426110.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1608073505ad81---figimumuredikezubidepo.pdfIn PDF document text
- http://bigband-ulm.de/userfiles/files/10347589966.pdfIn PDF document text
- http://mamtomchabahai.com/uploads/files/files/xedibi.pdfIn PDF document text
- https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/40556ac20e285bb40f075474048e4434/5933507652.pdfIn PDF document text
- https://castilloexterior.net/ckfinder/userfiles/files/4039533301.pdfIn PDF document text
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/142f768ac2c6441ea965d5eb5e1835bd/20778096353.pdfIn PDF document text
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607865e44359f---89356092001.pdfIn PDF document text
- http://fatamorgana.fr/uploads/assets/file/voxodunefafoginaxiz.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c96e2681055---25714990144.pdfIn PDF document text
- http://www.anjhimayath.com/upload/file/genujafudedufuj.pdfIn PDF document text
- https://dolaodong.com/userfiles/file/wixowopoxu.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160852c194bc3e---foxafiwudusizul.pdfIn PDF document text
- https://xn--i1aam8cb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/dd84895e8898a1684e0e21eb84108956/rudawefilete.pdfIn PDF document text
- http://kelvista.lt/images/files/50893346511.pdfIn PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c2b42767b7a---jinubuwe.pdfIn PDF document text
- https://seataclightingalaska.com/wp-content/plugins/super-forms/uploads/php/files/4c7de279166e1661f4bd3a2e81e9fddf/69329043991.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a76b1e4b1f---93239867556.pdfIn PDF document text
- http://sungwoneng.com/upfile_editor/2021/files/11627722716.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=mapa+mundial+con+nombre+de+paises+y+ciudadesPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e8b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8B5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000100c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100C7 | 17820 bytes |
SHA-256: 06d07b044744cbd066719065c3976cd2c5f3255cfe3c69534cf718d7a22acf1a |
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font_02_sfnt_off00012da3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DA3 | 10924 bytes |
SHA-256: 87759433e1474cffafd016eef7d3270e28511743c8b9e54ff998abf00290506d |
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