MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/3fna3kq85unaipiqenhka4eafb/solowi.pdf In PDF document text
- http://bearings-home.com/userfiles/file/lubupuzimuwesuse.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607902d5a70e1---35099255863.pdfIn PDF document text
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d09b163d45---27135837532.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/4ac49be07e0588d41712b5b094b916c4/6330055168.pdfIn PDF document text
- https://hirurgija.me//files/79891171257.pdfIn PDF document text
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/160711f621e771---90275646936.pdfIn PDF document text
- http://primaneighbors.com/userimages/vetivixadelafatewiga.pdfIn PDF document text
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/t6pbk83lec0kqtk2ah1tr2vtao/97939007433.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/newoletawixekesidofiz.pdfIn PDF document text
- http://www.cbs-emballages.com/upload/file/kikeni.pdfIn PDF document text
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b594d494d3b---pakapozegulipig.pdfIn PDF document text
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/9e684c8010654eb7fc10fbd9f40fbb46/jopifagivikawes.pdfIn PDF document text
- http://mai-colle.jp/userfiles/file/37457637255.pdfIn PDF document text
- http://architettoseneca.com/userfiles/files/95280554510.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=choices+vip+mod+apk+latest+versionPDF 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://scripts.sil.org/OFLIn 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_off0000ef3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF3A | 5344 bytes |
SHA-256: 28bfdba4219ec3a7199196a4b56f47409767192cc7580a4f9b5c0395757e957b |
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font_01_sfnt_off00010138.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10138 | 11124 bytes |
SHA-256: 02b53e4e8682d8a46d702e9bbfdd1c6c82ba358ecca536cfedb724b3c29bdb65 |
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font_02_sfnt_off00012756.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12756 | 16256 bytes |
SHA-256: 54f7e83f481f432d30ca8bca8330734e43483d139df9548bcb2e89122e154602 |
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