MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL that directs users to a suspicious domain, likely to deliver a malicious payload or phish for credentials. The document body, though heavily obfuscated, appears to be a lure related to 'Trigonometric limits worksheet with solutions'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 4
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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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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://pelibifir.ru/award?keyword=trigonometric+limits+worksheet+with+solutions
- https://cdn-cms.f-static.net/uploads/4449973/normal_602420161e362.pdf
- https://cdn.sqhk.co/tomubozes/thcijsR/40664184260.pdf
- https://cdn-cms.f-static.net/uploads/4448345/normal_603344db9e1ba.pdf
- https://cdn.sqhk.co/xoxapivasif/Vgigjcn/stripe_pay_invoice_api.pdf
- https://static.s123-cdn-static.com/uploads/4452846/normal_6008b3ac7898a.pdf
- https://static.s123-cdn-static.com/uploads/4404723/normal_5feeec0a7decb.pdf
- https://static.s123-cdn-static.com/uploads/4502245/normal_6008e103cee9d.pdf
- https://static.s123-cdn-static.com/uploads/4412905/normal_5fed9cf885544.pdf
- https://cdn-cms.f-static.net/uploads/4416934/normal_603128cbae325.pdf
- https://cdn-cms.f-static.net/uploads/4472185/normal_6016fc545c689.pdf
- https://static.s123-cdn-static.com/uploads/4500446/normal_5ff601cbf3435.pdf
- https://cdn.sqhk.co/niwexifa/sibghk3/vusujojosuli.pdf
- http://dimozakebaba.scienceontheweb.net/primeros_auxilios_psicolgicos_oms_2020.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/xixonu/qr_barcode_reader_app.pdf
- https://s3.amazonaws.com/tuxexi/free_typable_family_tree_template.pdf
- https://s3.amazonaws.com/tizowodifi/aztec_calendar_wallpapers_for_android.pdf
- https://s3.amazonaws.com/sugosubexez/edinson_cavani_injury_report.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
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e3a8.binfdd28388b33507a056de44c627b4516f1d62d71987529cb4154f3614f9b95b89 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3A8 | 5108 bytes |
font_01_sfnt_off0000f4f8.binbefb9161ddf3440624016bbba275751205053014d4d74f53aee1d67bd66ab8c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4F8 | 15200 bytes |
font_02_sfnt_off000125b6.bin2d958bd008b8db5b33092f112e99c856adbcc0a100e950d14ff814b784be6357 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125B6 | 16060 bytes |
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