MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ClamAV as Pdf.Phishing.Trojan. It contains numerous external links, many pointing to compromised WordPress sites, suggesting a link farm or redirection mechanism. The ML classifier also strongly indicated maliciousness. While no scripts were explicitly extracted, the presence of external links and the overall heuristic profile point towards a phishing or malware distribution attempt, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9820
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://coretry.ru/uplcv?utm_term=good+habits+quotes+for+students PDF link annotation
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16077e0ad81f8f---51689448951.pdfIn PDF document text
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/8594b8f9408dcc1a26d55367a634c318/ketazore.pdfIn PDF document text
- http://fairtradeportal.pl/userfiles/file/rumoneniwujap.pdfIn PDF document text
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078362405270---badanudodumojogodoju.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9bc84845d0---xeneniwomurizodoge.pdfIn PDF document text
- https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/9b112r3n0sd6p8tc472if88hcq/mikerofiv.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160b989df3b0e6---73433820686.pdfIn PDF document text
- https://hansenlight.com/UploadFile/files/96785885657.pdfIn PDF document text
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/ude6puk0gjqh4e13o9o7pai6aq/46905555973.pdfIn PDF document text
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/9cc5f0386641eb3da4c42c1e54e1fcd9/zotemef.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/ag2cn2jgdbi9lo1fbr3cs01nv2/vazisasurojelokera.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080646c54c5f---rarenojazadajewum.pdfIn PDF document text
- http://ukrainski-rosyjski.pl/userfiles/file/nejupuzizajeta.pdfIn PDF document text
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e47d8b9c2c6---87513693633.pdfIn PDF document text
- https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/e8feb89bcb6a54e724fc17ddf9dbf5d3/67319242775.pdfIn PDF document text
- https://baxsporthorses.nl/userfiles/file/gunevezejulerisapasil.pdfIn PDF document text
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d245d390fbe---72567495786.pdfIn PDF document text
- http://ei-windykacja.pl/upload/file/703791458.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16073f4caea849---lijadibez.pdfIn PDF document text
- https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/edba1d091d0af7dfef2687b2c4f0c118/ruxirumilegamapenuxogigi.pdfIn PDF document text
- https://stegopackaging.com/wp-content/plugins/super-forms/uploads/php/files/s40hukf9f3gvod16lknvivaigo/domoxoxikalogozobukef.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9700356998---69677072609.pdfIn PDF document text
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/54141443616.pdfIn PDF document text
- http://gptools.net/userfiles/file/pojuripopobosafutixipix.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a605f7318c0---rutetudawotafusafo.pdfIn PDF document text
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607517fe9ca07---gaposodiwututute.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_off00010a98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A98 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000122aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122AA | 16784 bytes |
SHA-256: 20589598938a47ffd940b1e072b279d4b5c7808bf36343f89f46e712935ff861 |
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font_02_sfnt_off00014df9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14DF9 | 10828 bytes |
SHA-256: 2a084a207585c7af0c114fd3241a21bb392a7346d077405df650a13b17df678c |
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