MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1055.012 Process Injection
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous external URIs, many pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users. The document body is heavily obfuscated and unreadable, preventing further analysis of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://philabc.ru/uplcv?utm_term=architectural+rendering+with+pen+and+ink+pdf PDF link annotation
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16087683c38050---337461417.pdfIn PDF document text
- http://kd-council.com/upfile/files/surutepubot.pdfIn PDF document text
- http://nhagiatxanh.com/public/default/ckeditor/files/banudi.pdfIn PDF document text
- http://zlzljc.com/uploadfile/file///2021090307065635.pdfIn PDF document text
- https://szamitogep-szerviz-javitas.hu/ckfinder/userfiles/files/fadaketikesadomekomowapo.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133dd7d2f151---sodujidek.pdfIn PDF document text
- http://kolkandkolkdesign.com/site/data/ws/files/bilosomisepe.pdfIn PDF document text
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/a50084f628e3b74a06cd16e81f354121/11466618871.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/3c6556d365f39eda8577b0befe3da242/xuwatajorez.pdfIn PDF document text
- http://delfosventures.com/userfiles/files/74208560160.pdfIn PDF document text
- https://parlagame.com/calisma2/files/uploads/21678159619.pdfIn PDF document text
- http://goodslib.com/userfiles/files/vabiridapadesirutolu.pdfIn PDF document text
- http://modnyi-buket.ru/uploads/files/48402893908.pdfIn PDF document text
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160967016455d6---74275398906.pdfIn PDF document text
- https://dutchfansitenetwork.nl/ckfinder/userfiles/files/16815632137.pdfIn PDF document text
- http://dongshengcable.com/images/upload/File/24340861933.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d05ca57bdd---40630554312.pdfIn PDF document text
- http://orbitsecurity.qa/pro_mvp_tech/uploads/file/xidugobu.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/2vvk6sgvheh9dhc1aut3vdbtkn/gapunudesazolor.pdfIn PDF document text
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081f0a61345d---xivume.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/fs43rivic32re5e4a2kthck6nl/8434028234.pdfIn PDF document text
- https://keluargamimpi2.com/contents/files/56223148626.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/427032896072354b9c82ad7845b6a7de/kudebat.pdfIn PDF document text
- https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/5895fc124f1be0e749ab4c0083e384cf/tasifiz.pdfIn PDF document text
- http://archgeo-leszno.pl/uploads/userfiles/files/jetixepejogofoxezodadun.pdfIn PDF document text
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160873e79c8526---pofasekele.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_off0000e4aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4AA | 17632 bytes |
SHA-256: f908003cc69a4df967f7641881c7969170010f1b43d51b6021f4b69ca8af0633 |
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font_01_sfnt_off0001125d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1125D | 10868 bytes |
SHA-256: 61ea71f9714920f53d44ce62d69327924a13f1f6cda2ed663e5725812433d8fe |
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font_02_sfnt_off00012b45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B45 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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