MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links to external websites, many of which are hosted on compromised CMS upload directories or appear to be part of a link farm, suggesting a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and heuristic firings point towards the use of embedded JavaScript for malicious redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1609db5533320f---sisinuragonuvewagaguke.pdf In PDF document text
- https://atcotourismtravel.com/userfiles/file/raxareraforabuteti.pdfIn PDF document text
- http://florylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rupojodomodomusifi.pdfIn PDF document text
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088165c213b4---waxon.pdfIn PDF document text
- http://vo23.ru/upload/file/97429707821.pdfIn PDF document text
- http://anandamsanyal.com/userfiles/file/28315940047.pdfIn PDF document text
- https://unitedfightalliance.com/ckfinder/userfiles/files/57751599250.pdfIn PDF document text
- http://jpbullies.com/clients/2/2c/2c827f09d77a589c2c5c7da8c033a3f4/File/lenazopavawikinafi.pdfIn PDF document text
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/a3a2d0cd4ac5a59a3632acda3f8d5809/19110021274.pdfIn PDF document text
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/qbcq1bh1kkfef9jqtp1d8cuvt8/sonavetijujugadewonafofu.pdfIn PDF document text
- https://gbagencement.fr/uploads/file/96809215645.pdfIn PDF document text
- http://futurepoolandspa.com/ckfinder/userfiles/files/20179088641.pdfIn PDF document text
- http://behtarinekhodetbash.com/files/files/55227426749.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/cae9378d67ce74d03ba377d403f4d637/ribiziguxelis.pdfIn PDF document text
- https://dbjadow.pl/attachments/file/97411071180.pdfIn PDF document text
- https://almondzwealth.com/administrator/imagetemp/file/zixogulejodatudapixujax.pdfIn PDF document text
- https://mttrasportisrl.it/dati/upload/file/dodugenodugalovusude.pdfIn PDF document text
- https://gencerenerji.com/resimler/files/72531466233.pdfIn PDF document text
- http://bezpiecznamlodosc.org/files/file/libilokalapega.pdfIn PDF document text
- http://hesexpo.com/img/editor/image/file/nakibojurumodubapimar.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/16090f363e99bb---29531254742.pdfIn PDF document text
- http://billsky.ee/files/file/golugunazuxilo.pdfIn PDF document text
- https://abugfreemind.com/userfiles/file/5262845872.pdfIn PDF document text
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/68f4395c153802fe305b7afc89fb05d2/65200278175.pdfIn PDF document text
- http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca4e27cba2---xikomenuze.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=gliderol+instruction+manualPDF 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_off0000b80d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB80D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d024.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD024 | 10672 bytes |
SHA-256: a8197ba563f20d8789d43a79ed84844ff0c649bb11f2ed6f8a295521dac0780d |
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font_02_sfnt_off0000e898.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE898 | 14268 bytes |
SHA-256: 98d145ee7c0af8b3ecc3c02542134729da22076157969f1c1bf8e2cf89d6a221 |
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