MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classification and a ClamAV detection for phishing and trojan activity. It contains numerous embedded URLs pointing to compromised CMS uploads and disposable hosting, suggesting it functions as a link farm to distribute malicious content. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, further obscuring its true intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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 https://allytemp.ru/uplcv?utm_term=what%27s+wrong+if+my+dryer+doesn%27t+heat+up PDF link annotation
- http://nowyhotelik.pl/userfiles/file/xisujizerefiwef.pdfIn PDF document text
- https://detskeihriska.eu/ckfinder/userfiles/files/61613262250.pdfIn PDF document text
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/p5gd5jafnu3825ll4i9lr0h9o1/pepox.pdfIn PDF document text
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/8e954e8af25bb9ff4b46f5e5a99bce0e/45877374879.pdfIn PDF document text
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/eaf508aaef722dc8a69373bf854abe79/85073462737.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d30a9e465b1---41903989975.pdfIn PDF document text
- http://upservice.expert/admin/ckfinder/userfiles/files/lerujexu.pdfIn PDF document text
- https://debcopharma.com/userfiles/file/putav.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/demuninorevakaba.pdfIn PDF document text
- http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608fc565523a3---rufasuvivetipixozedupozax.pdfIn PDF document text
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608dd50e35763---26223676277.pdfIn PDF document text
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/02ba4f1aedf8c0ea4a6dfb7628eab1fd/12499848096.pdfIn PDF document text
- http://tvtamminhphat.com/uploads/userfiles/file/11508190273.pdfIn PDF document text
- http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/16092d39f294a6---zegepexaf.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a421cde9f2a---45932814389.pdfIn PDF document text
- https://smsenerji.com/resimler/files/lozumakajadowevarij.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/12809aa84150e09f3cb19d485b28ce8b/65799849652.pdfIn PDF document text
- https://mut-zur-veraenderung-hambuch.de/userfiles/file/15481869937.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b0ca7dc0e6c---foxinupalu.pdfIn PDF document text
- https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/19b99746a0debd681863ba3054be4293/73644686955.pdfIn PDF document text
- http://maidichike.com/upload/files/lefevenetul.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/69007642742.pdfIn PDF document text
- http://colorfulmedia.de/fotki/fotki/file/21287991144.pdfIn PDF document text
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/2275b6d9b1f9a2d45b5a62a2d7c33328/8065130358.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_off0000f00a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF00A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001081c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1081C | 16944 bytes |
SHA-256: 2567442c51f395eaac9cf328d5480dd9ee16c1391896ab0c5cb589a427c9c941 |
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font_02_sfnt_off00013443.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13443 | 11224 bytes |
SHA-256: fe261a946b4bc0257e2316276d3fb96d8d82228fdfc9f95a4d80c6b689b8a3b1 |
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