MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of numerous unknown URLs further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://fsnmmaterials.com/UPFILE/userfiles/files/poxibajuxadavavuwami.pdf In PDF document text
- https://pass-eco-energies.com/ckfinder/userfiles/files/nuxukubolelujojokegoni.pdfIn PDF document text
- http://alpha-th.com/userfiles/file/lovenusowiridefetoti.pdfIn PDF document text
- https://on-call-anatomist.org/ckfinder/userfiles/files/38378496226.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160c406b5eb130---pegitidab.pdfIn PDF document text
- http://musicandyouapp.com/webupload/editorimg/files/jezujuwotopanilamixojuki.pdfIn PDF document text
- http://cukrarnakolbaba.eu/obrazky/files/60159696493.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/55f5edf6768e38084cf4a94a86108380/54807360219.pdfIn PDF document text
- https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/18b341b22e55efc44913b32ffeda58e3/79892261955.pdfIn PDF document text
- http://cocoal.com/uploads/file/loxajin.pdfIn PDF document text
- https://landatur.com/files/galeria/files/zusatus.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b22a9cea999---68900812316.pdfIn PDF document text
- http://poltinka.ru/userfiles/file/vumazujimuzewunesonego.pdfIn PDF document text
- http://fuzoku-kyujin.jp/ckfinder/userfiles/files/59258579227.pdfIn PDF document text
- https://lesartsdansmonjardin.com/userfiles/file/20210615191047.pdfIn PDF document text
- http://rockfordauburn1966.com/clients/8/85/8549db0cc7d1f63cce07d3be93bd6f3d/File/59638322392.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160faf17d1096d---59774619567.pdfIn PDF document text
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/h4r75bfgha49cm7rj3p8648oli/tipekiduzigadas.pdfIn PDF document text
- http://xn--b1agaa2anfqdp.xn--p1ai/ckfinder/userfiles/files/ziwezefawukesexogovusiz.pdfIn PDF document text
- https://smgbid.com/ckfinder_userfiles/files/worugurilidatewonu.pdfIn PDF document text
- http://kraski-chernila.ru/resources/file/vevuzi.pdfIn PDF document text
- http://csc0311.com/userfiles/file/20210805032831_nrtajf.pdfIn PDF document text
- https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/0c696511e8060ea8914b6030f5954874/91549223648.pdfIn PDF document text
- http://htk2.altrodesign.eu/ckfinder/userfiles/files/nudobejudakirilipat.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=hydrothermal+alteration+types+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_off0000e8cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8CB | 16808 bytes |
SHA-256: cbe8cefa6db309769a2696fe44a4df6790e0346db1c71c5bf567d6f10a856057 |
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font_01_sfnt_off0001140c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1140C | 10868 bytes |
SHA-256: 20ca9191b6d3087b70ff599abea16c98df2f6e94f62f495f4fdb83c1682ba600 |
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font_02_sfnt_off00012ce7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CE7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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