MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1203 Exploitation for Client Execution
T1566.001 Spearphishing Attachment
The sample was flagged by both machine learning and ClamAV as malicious, with ClamAV specifically identifying it as a phishing trojan. The presence of embedded URIs, even if some are benign, suggests an attempt to redirect the user or download additional content. The PDF structure itself shows signs of manipulation, such as duplicate object bodies, which are common in exploit-laden PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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://feedproxy.google.com/~r/sq/ugae/~3/gOBB6uaVNRA/square?utm_term=how+many+electrons+are+there+in+each+shell
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60e91af73f195e1e4036248f/1625889527321/the_expendables_1999.pdf
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60ec7e29700aa07a7894516b/1626111530191/vusolemefatiwopemagujinog.pdf
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60e7d2286e46386ca3c02d6e/1625805352793/approximation_in_a_sentence.pdf
- https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60eca44cc426b81e8302f192/1626121292384/40706620616.pdf
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60ee90068e3fff2bd3c4aff2/1626247174812/35785649950.pdf
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60efeae136870d1a2db668d2/1626335969390/ac_motor_coil_winding.pdf
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60e7e34dd56f0f361271643e/1625809741851/differential_equations_in_physics.pdf
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60ec7f770cf33f708d79f1b5/1626111863376/cisco_internet_of_everything_final_exam_answers.pdf
- https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60f01a1ae4fb0f110d7cac35/1626348059519/22917887424.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://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_off0000c3c6.bin4f6ecfdc150687da722b452efe27906241835ad689f6989b710e71abce3a8bf9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3C6 | 17028 bytes |
font_01_sfnt_off0000f056.bin7cf019d8fe4990f8eff3e9cf05ebccb93f0ca757e95544ad44f95fb820f81b2d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF056 | 10684 bytes |
font_02_sfnt_off000108aa.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108AA | 16792 bytes |
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