MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm. The presence of these links, particularly those with 'utm_term' parameters, indicates an attempt to direct users to external, potentially malicious, websites for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://catamma.ru/uplcv?utm_term=iphone+all+phone+bd+price PDF link annotation
- http://miyisz.com/mingyi/images/userfiles/file/sesafenadunuxigerezanezan.pdfIn PDF document text
- http://stellar-toys.com/ckfinder/userfiles/files/lapitozoxezoxonuburupag.pdfIn PDF document text
- https://lajovisena.com/gallery/file/82852706328.pdfIn PDF document text
- http://capitaldanceacademy.com/userfiles/files/kupifaz.pdfIn PDF document text
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/svgnpgtgu348ajggth2gpgvbct/69714672699.pdfIn PDF document text
- https://www.terraton.com.my/ckfinder/userfiles/files/6235250644.pdfIn PDF document text
- https://sibservis.com/ckfinder/userfiles/files/47471728629.pdfIn PDF document text
- https://vnsteeldetailing.com/UserFiles/files/29296786557.pdfIn PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16133fe8008a00---veramukojixulonujoxatofa.pdfIn PDF document text
- http://studiotecnicomaglio.it/userfiles/files/zixadukumi.pdfIn PDF document text
- http://evpltravel.com/xv_image/file/todinovugabuganaxawafa.pdfIn PDF document text
- https://dintek.eu/uploads/file/68304674129.pdfIn PDF document text
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/7750a52f755d65a6b8c8410b5ead1fff/wizuwetuvigosanajuvijip.pdfIn PDF document text
- http://studionegro.net/userfiles/files/35931364892.pdfIn PDF document text
- http://k1a.ru/images/files/file/kewasobokusoni.pdfIn PDF document text
- http://baominhlabors.com/upload/files/1275032382.pdfIn PDF document text
- http://stoka-saarlouis.de/userfiles/file/kezeguwakewegiretif.pdfIn PDF document text
- https://sunrise-photon.com/upfiles/editor/files/66859308487.pdfIn PDF document text
- https://sbsoftware.ro/admin/userfiles/file/37966672661.pdfIn PDF document text
- https://vayamcs.com/content_files/files/rinowibaxidakelegavipu.pdfIn PDF document text
- http://palazzodiaz.com/userfiles/files/tasativevegomowa.pdfIn PDF document text
- https://et-auditing.com/userfiles/files/52939088703.pdfIn PDF document text
- http://vo23.ru/upload/file/46181678997.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/8l87pcm47960sbqrrc8ch0klm2/gijomuvotuwazenevavosetes.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_off0000db0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB0A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f321.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF321 | 10436 bytes |
SHA-256: 8ea0498c4ef643abb8e36a8bd2adb611bbd4b89fecfc295083e77f4258526f4d |
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font_02_sfnt_off00010a5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A5B | 18708 bytes |
SHA-256: 4b98b4ad68a99479a88911a59db37d81936318de6e68b771e6a14cc769bc62ea |
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