MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier. It functions as a link farm, with numerous URLs pointing to PDF files hosted on compromised WordPress sites. These links likely serve as a distribution mechanism for phishing or further malware, aligning with spearphishing attachment and malicious link attack patterns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 6
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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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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 http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c7f0248c1c---40089624066.pdf In PDF document text
- https://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/k82il27lnhbjp2iha72v14n3i0/sigadunasenudutenab.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/3r8mtem26jb906drhl15rsjru2/83797710765.pdfIn PDF document text
- https://webmenuplus.com/images/file/bunedutovitijimukexazuj.pdfIn PDF document text
- http://ajtoablakcentrum.com/_user/file/66355391247.pdfIn PDF document text
- https://svltv.in/userfiles/files/judazofatirikufatuv.pdfIn PDF document text
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/645bfa754cb8520abaa57aa532765106/77474195280.pdfIn PDF document text
- http://brandnewgoods.net/userfiles/file/wumajalud.pdfIn PDF document text
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/16002113448.pdfIn PDF document text
- http://timelessmebel.ru/wp-content/plugins/super-forms/uploads/php/files/a8d47468b5aede4191805a6c2cf2e13c/gasatuzol.pdfIn PDF document text
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/mopubogamotogigarulo.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/u4da9i1n2jr2g7cphjp9bmqt25/23128715824.pdfIn PDF document text
- http://rosswellbulldogs.com/clients/b/be/bee1e50a814ad4ba40998340b8964064/File/23513852643.pdfIn PDF document text
- http://bright-inter.com/file_media/file_image/file/17927703927.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c6acd93984---89952158905.pdfIn PDF document text
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a753e87f288---57736179616.pdfIn PDF document text
- https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/93kf42nft56vlhao5t2i2vg2ad/vatenajuwesunuzelinuvige.pdfIn PDF document text
- http://cupta.org/userfiles/files/20210623021538.pdfIn PDF document text
- https://dianthusindustrial.com/resimler/files/42374426925.pdfIn PDF document text
- https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/c50f57b2da202cb19673b5745567e59a/tuwelup.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606fb355bdcb0---33930797243.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/bv6hqc4c5rc28lk4lclddea4k2/texuf.pdfIn PDF document text
- http://juniorsmagazine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd1756eb75---lizoruw.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=financial+accounting+textbook+answers+pdfPDF 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_off0000d70d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD70D | 17428 bytes |
SHA-256: 4649984787bc67b5fd73367e857348a09ce05a4e0ac3d02f4dc171296b64c797 |
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font_01_sfnt_off000104ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104EA | 11292 bytes |
SHA-256: bc8bd784252a740b81318abf8f871e90c61afd677180dd37e7790197dff9fa54 |
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font_02_sfnt_off00011f44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F44 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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