MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised websites, including one hosted on a compromised WordPress upload storage. The PDF's structure and the presence of numerous external links suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://tulsamemorialclassof71.com/clients/84987/File/6442006358.pdf In PDF document text
- https://albawadiroad.com/userfiles/files/makanokuguwubupa.pdfIn PDF document text
- http://dobrasekacka.cz/userfiles/file/38733416231.pdfIn PDF document text
- http://cementfeet.com/userfiles/file/najoxamiferatidutuxafediz.pdfIn PDF document text
- http://odessahighschool1970.com/clients/7/70/70263b1be1b93b62200e198143f59f20/File/kexemawerufifemututodu.pdfIn PDF document text
- https://ratco-hardware.com/Ups/files/47494929121.pdfIn PDF document text
- http://braghieriarchitettura.com/userfiles/files/vusebib.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0dc3749499---supukekawodove.pdfIn PDF document text
- http://orthocarecentroortopedico.it/userfiles/files/piruvigezafome.pdfIn PDF document text
- http://lyshiying.com/d/files/17301229103.pdfIn PDF document text
- https://tecnicadovolante.com/images/file/27228959377.pdfIn PDF document text
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b26a08fd7f---9930125124.pdfIn PDF document text
- http://malabarisproducoes.com/arquivos/files/20423540253.pdfIn PDF document text
- https://pvesc.vn/uploaded/file/94076888936.pdfIn PDF document text
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/e067444dcf0cd0032ebe12bc866df3b2/8713885809.pdfIn PDF document text
- https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/2347tn2o6q76smgv55f2n8b6io/pijozabosa.pdfIn PDF document text
- http://icaalliance.org/filespath/files/20210810124544.pdfIn PDF document text
- https://themalc.org/files/file/18637586389.pdfIn PDF document text
- http://masonhn.com/d/files/tezutogumosixabesejoga.pdfIn PDF document text
- https://blagoustroystvo24.ru/ckfinder/userfiles/files/14812364858.pdfIn PDF document text
- http://latexindia.com/userfiles/file/58123470771.pdfIn PDF document text
- http://synowka.pl/galeria/file/2236097509.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a0fc5e56652---xurumiwubu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=structure+of+prokaryotic+and+eukaryotic+cells+pdfPDF link annotation
- http://s292376414.onlinehome.fr/datas/imgmail/file/wifuwu.pdfIn PDF document text
- 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_off0000bacb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBACB | 10992 bytes |
SHA-256: 65b3fda1cb78d50c76652db5d7810e2d47591755c4cb382edf8e01c3556af8e8 |
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font_01_sfnt_off0000d479.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD479 | 16192 bytes |
SHA-256: 6dc02f396faf64d15297f442d61d8e3cf9b1f94d18f945d9c1c3f2d73c0aa4a0 |
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font_02_sfnt_off0000fde8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDE8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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