MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The file was detected as malicious by ClamAV and a machine learning classifier, indicating a high likelihood of malicious intent. The presence of multiple embedded URLs, many pointing to suspicious PDF files hosted on compromised websites, suggests a phishing or malware distribution campaign. The document body, though heavily obfuscated, contains references to 'Stephen King different seasons pdf' and 'wkhtmltopdf', potentially used as a lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 4
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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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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://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609f59d931bb5---55597258033.pdf
- https://acronimocostanzo.com/userfiles/file/29064933733.pdf
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607339a146752---zadovodetatanuxajuboluja.pdf
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/1608e9b168803a---riwupibivuk.pdf
- https://volnynaklad.cz/data/file/32713390164.pdf
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d3fd88b9c02---52232525896.pdf
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/bo7m29ju8p9igap6nhqqb9o5m4/5386495792.pdf
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160c1bc83cfe4a---82778784015.pdf
- https://plentis.eu/ckfinder/userfiles/files/nojuzagasagugazolegowi.pdf
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/2ocfv98nke38okuf53jb1f9a0a/6325305351.pdf
- http://goldmustang.com/files/files/lubejalotuj.pdf
- http://ilovegabal.net/fckeditor/_upload/file/10739663993.pdf
- http://stinpo.com/ckfinder/userfiles/files/90548623561.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=stephen+king+different+seasons+pdf
- 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_off0000f0b7.bina994d946e1a4a6618ca4c67fc195508d85abf2a2f7505013e80d87a7b849c06a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0B7 | 5224 bytes |
font_01_sfnt_off00010271.binaeef0ae571113d97a55e476167d543f6d153ab5daa7f6f96aaf8d17de8bd41d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10271 | 12124 bytes |
font_02_sfnt_off00012a60.bin4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A60 | 4324 bytes |
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