MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised CMS upload directories or are part of a link farm on disposable hosting, suggesting a phishing or malware distribution scheme. The document body, though heavily obfuscated, contains text related to confirmation emails, which is a common lure for phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/4caf6aaf1f5d06db49288ee233739e34/87110687194.pdf
- https://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/a6adpagld1cp8ial9tgtbu7qft/62146961177.pdf
- http://animationcoach.com/userfiles/file/29606045209.pdf
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160864821278f6---79058769873.pdf
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/35f67c74f758e07276843fedbceb7c23/73232821104.pdf
- https://acrgroup.nl/userfiles/file/59867384697.pdf
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/runamevekebisef.pdf
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/86d4a15c44e8b36ccb203c364860eb4e/dagoxemimeburarusele.pdf
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160922af7a1653---95864874278.pdf
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e84f78f52d---pazakupaji.pdf
- http://hgbs.de/userfiles/file/nutatezar.pdf
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/e050990c8463e3a1d989751a58ae8213/tadufotewekisopenu.pdf
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160853c1926dc8---78584478034.pdf
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609adee7a1edc---11999983030.pdf
- https://www.jedeminute.de/wp-content/plugins/super-forms/uploads/php/files/2li298jccumq0tj4ceindhafk1/besikum.pdf
- https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/64bec86fcb93cd8ec40ca100db9721b4/munofiso.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/f1ffaebc7b4b79ef32b85450bfd89d7f/2025759471.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=what+to+do+when+you+don%2527t+get+a+confirmation+email
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e413.binaed8865c323c8c9488d83063420f82ac49aaf03dc1a96aa881d17c42b8acef96 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE413 | 5380 bytes |
font_01_sfnt_off0000f651.bin0c7f04e1032107f2f618d694ebf19d7b888ef1e0165f6f19fdddfed9c52c0f82 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF651 | 10824 bytes |
font_02_sfnt_off00011b19.bin1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B19 | 4324 bytes |
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