MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to compromised CMS upload storage and disposable hosting sites, likely to serve a malicious payload. The presence of invoice/payment lure language further supports a phishing or scamming attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://phutungototuanphat.com/img-tvdl/files/jonija.pdf In PDF document text
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4573d9533---15819189180.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096797c1994f---dokalizupo.pdfIn PDF document text
- http://mariopresto.pl/userfiles/file/tumefumidigofurivub.pdfIn PDF document text
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/b02f995d25f9a54f77c58e0c8b16ab8a/sinekekixufe.pdfIn PDF document text
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160f00000da0a5---tipuvodaji.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082ba618f405---saserufenizetimevokuwub.pdfIn PDF document text
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e60616a65e5---26286023976.pdfIn PDF document text
- https://tahubunting1.com/contents//files/6061478554.pdfIn PDF document text
- http://vipforiraq.com/userfiles/files/sulepemijalekajul.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/b00d521eb5a40f93fe1686644b69b47f/94574080467.pdfIn PDF document text
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/7a64149fc80e79a6e0215f0e7c163ed7/pibolirarajovumubaxe.pdfIn PDF document text
- http://jonkmp.nl/img/cms/file/80525812856.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160e1803ed795b---zuxufex.pdfIn PDF document text
- https://vandolderskb.com/images/usr/96578441239.pdfIn PDF document text
- http://budaikepkeret.hu/uploads/file/60300809996.pdfIn PDF document text
- https://varbackaforskola.se/ckfinder/userfiles/files/95406482955.pdfIn PDF document text
- http://selfmadefilms.nl/userfiles/files/99101769360.pdfIn PDF document text
- http://www.colormotion.cz/UserFiles/file/puburaledam.pdfIn PDF document text
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c04c655a9ac---xikesozenukidi.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/idt7uk521qjp2rgs9ksr93g1j7/jinolilezapejogis.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/6d4292fd8193c94eae2a5c991e62e873/47539655066.pdfIn PDF document text
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/16070b00aa9567---pajesexuxi.pdfIn PDF document text
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160740eb66b8df---95724203453.pdfIn PDF document text
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3848e26095---lofotupiwoxilazudebuxanus.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=how+to+order+from+oriflame+appPDF 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_off0000d456.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD456 | 17436 bytes |
SHA-256: dbe641175edc6759e57603209d1f13cd045afff491cf06594dbac4a11f149c53 |
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font_01_sfnt_off00010229.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10229 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011a40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A40 | 10464 bytes |
SHA-256: e0b61466d04f084d51343e18b81f894fc50f0868149654f6e54c72f19618d204 |
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