MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external websites, one of which is hosted on disposable infrastructure. The document body is heavily obfuscated, preventing a clear understanding of its direct content, but the overall structure and heuristic firings suggest a phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 5
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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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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 http://swhwsolution.it/ckeditor-ckfinder-integration/uploads/files/42754530147.pdf In PDF document text
- http://stepasidemedical.com/images/uploads/file/8057878485.pdfIn PDF document text
- https://windscrm.net/files/file/wogadusivak.pdfIn PDF document text
- http://mqskin.com/luutru/files/25626905518.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/wetonagufiwagoza.pdfIn PDF document text
- https://jotekonybakterium.hu/userfiles/files/sonosaxitikitirosudi.pdfIn PDF document text
- https://happycolaborativo.com/uploads/files/87883360662.pdfIn PDF document text
- http://brenna-ski.pl/userfiles/file/10065823613.pdfIn PDF document text
- https://manenshop.com/upload/files/16657276198.pdfIn PDF document text
- https://nawaasha.org/userfiles/file/wekazutowimezifukujo.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee525da826---degubu.pdfIn PDF document text
- https://stollerco.com/testingsites/advantage_aviation/assets/media/file/fujosolizijonufoxijupibip.pdfIn PDF document text
- http://otczenacts.com/media/files/19027576675.pdfIn PDF document text
- http://ibrahimalsada.com/pics/file/kitizilitiruxudepus.pdfIn PDF document text
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa9228aa9d---60235052717.pdfIn PDF document text
- http://ansonseatery.com/uploads/files/54939545540.pdfIn PDF document text
- http://wildpflanzen-planung.de/file/dikuzubijegudobojafuxev.pdfIn PDF document text
- http://salman-group.com/userfiles/file/setosurigi.pdfIn PDF document text
- https://pasationtravellers.com/root/FCKeditor/file/50298589658.pdfIn PDF document text
- http://wijnhuis-vaessen.nl/site/data/ws/files/tewuvubonose.pdfIn PDF document text
- https://vandolderskb.com/images/usr/71283041823.pdfIn PDF document text
- https://speedwayinfo.hu/uploads/file/12581855575.pdfIn PDF document text
- http://weifong.tw/fckimages/file/difekalujuviwosifiniv.pdfIn PDF document text
- http://www.kroonzuivel.nl/ckfinder/userfiles/files/tirak.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=lehninger+principles+of+biochemistry+7th+edition+free+pdfPDF 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_off0000f4ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4AE | 18780 bytes |
SHA-256: 3a973c11794e9dd1dd57c03f69bbc161423567024aa3cd631eb9a3873f77e89c |
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font_01_sfnt_off00012608.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12608 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013e1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E1F | 11164 bytes |
SHA-256: b2948fe27f67d736d99b4f6d72dfaa4af51323a718c1d94ba908696be411cb77 |
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