MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. The document contains a link farm pointing to multiple compromised WordPress sites and disposable hosting domains, suggesting a phishing or malware distribution campaign. No scripts were extracted, and the document body was unreadable, but the presence of numerous external links strongly suggests a lure to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://serwisnawigacji.pl/userfiles/file/ginujigejefatanafopaw.pdf In PDF document text
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f6b7fa9d1f---69817387356.pdfIn PDF document text
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/68e8da199b1423bed9adcbb7e72efbfe/pamiw.pdfIn PDF document text
- http://deficanderel.com/clients/6/67/674a09facce11b7629d390eef9534ff9/File/89081765709.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/d96bf96b5d2c4f88dea35ea358ee890c/pafafumawakozumatalivivis.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16082c18e207c8---niweg.pdfIn PDF document text
- https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/f2af100df7f0fe34684f51b468346102/nifesagaxirefuwaromem.pdfIn PDF document text
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c44c0663cbd---tipetenitabamuvokepogufek.pdfIn PDF document text
- http://maplewoodmachine.com/clients/1/17/17f0ea2532424b9b8bf99baf53cd3763/File/xiwudanodobidipovebuzule.pdfIn PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098bd7b61182---63207832241.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/gubuge.pdfIn PDF document text
- https://misionesmedellin2030.com/wp-content/plugins/super-forms/uploads/php/files/3n37j4hiec7mq2iljf4muu2rti/20345338721.pdfIn PDF document text
- https://xn--80aaa1arbfjoe3bzh.xn--p1ai/data/files/22967244226.pdfIn PDF document text
- https://mmagame.com/userfiles/file/pulimibujil.pdfIn PDF document text
- http://yonezawanet.jp/units/24250/zcycom/files/mevegiwe.pdfIn PDF document text
- https://chptravel.ir/data/file/83262531364.pdfIn PDF document text
- http://www.cda.org.hk/ckfinder/userfiles/files/17108373345.pdfIn PDF document text
- http://fotografoenricogiampieri.it/userfiles/files/komexedoxovefi.pdfIn PDF document text
- https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/16ce8f76843ead01e7e2069201bf6eb3/pawidabugofepuganivomefad.pdfIn PDF document text
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/krtdosjnp0aalokmh8u6onkifd/bivetukir.pdfIn PDF document text
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/78mkr1e62235nc0eph8mr6tcq5/sovoz.pdfIn PDF document text
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090f43b2688d---reman.pdfIn PDF document text
- https://coastalholidayproperty.com/ckfinder/userfiles/files/64557784618.pdfIn PDF document text
- http://billagelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/79036358651.pdfIn PDF document text
- http://ip-golubev.ru/ckfinder/userfiles/files/73569102749.pdfIn PDF document text
- http://chicohigh1987.com/clients/47015/File/85648349860.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=sentence+fragment+examples+and+corrections+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_off0000d94c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD94C | 16412 bytes |
SHA-256: 8f8d33076e2a9e6c7ba609a5c1377639e9321a6056b74f6898d1c479cdc4e53b |
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font_01_sfnt_off000103ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103EE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011c05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C05 | 11140 bytes |
SHA-256: 288713b8db137f0b609dd88faabdfb0d2ef3ab9bedf31dfe6530a4bab7b51a91 |
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