PDF malware analysis — malicious · 3d3d9dd8730e0910

MALICIOUS

PDF

94.8 KB Created: 2021-03-21 00:23:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3cd4df1484ab4b421f9263e40f3a8bfb SHA-1: df2d990fd772e92d3ad302841a4bf5c4bea03e33 SHA-256: 3d3d9dd8730e0910f88d8056aa3ef51ac92896c370c2cfc94987e5d492944a79

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, which is likely intended to host malicious content or phishing pages. The document body, though heavily obfuscated, appears to be related to the embedded URI's keyword.

Machine Learning

Nyx PDF Classifier malicious score 0.9812

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://midufefew.ru/wix?keyword=biohazard+unicode+copy+paste
- https://cdn-cms.f-static.net/uploads/4444649/normal_600b9586a21d9.pdf
- https://cdn-cms.f-static.net/uploads/4491686/normal_6028a62a63c01.pdf
- http://xixofafil.medianewsonline.com/37131606562.pdf
- http://fidekeleko.medianewsonline.com/python_programming_book_in_hindi_download.pdf
- https://cdn-cms.f-static.net/uploads/4388416/normal_602419b0082e2.pdf
- https://static.s123-cdn-static.com/uploads/4474456/normal_5fd041490c15b.pdf
- https://cdn-cms.f-static.net/uploads/4388283/normal_6056759aaa8b3.pdf
- https://cdn-cms.f-static.net/uploads/4403824/normal_5fd10368bd306.pdf
- https://static.s123-cdn-static.com/uploads/4375070/normal_5feb7b33212bb.pdf
- http://lenuvivureropi.scienceontheweb.net/what_is_field_craft_in_army.pdf
- https://static.s123-cdn-static.com/uploads/4378607/normal_5ffc70074bd41.pdf
- https://cdn-cms.f-static.net/uploads/4427274/normal_6021d16c26ac3.pdf
- https://cdn-cms.f-static.net/uploads/4483081/normal_600bd3e9528a1.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/b081d21d-6982-4b7f-b1e8-0744d7463a44/how_to_reset_hp_laserjet_p1606dn_printer_ip_address.pdf
- http://zuzopejorexa.onlinewebshop.net/98545987676.pdf
- https://uploads.strikinglycdn.com/files/f9fb0e32-ba48-4855-a74c-18b9c80bba20/exploring_chemical_analysis_daniel_c_harris_5th_edition.pdf
- https://s3.amazonaws.com/rubidokezive/24177320384.pdf
- https://uploads.strikinglycdn.com/files/5c671e39-03da-4e5b-8884-04a64acc02e9/sims_3_vs_sims_4_base_game.pdf
- https://uploads.strikinglycdn.com/files/9616ae5d-df5f-4f46-b67d-52b54f380231/que_significa_soar_caminar_sobre_agua_limpia.pdf
- https://s3.amazonaws.com/sinadi/nationalities_in_spanish_worksheet.pdf
- https://s3.amazonaws.com/sabobenuwe/74636080627.pdf
- https://uploads.strikinglycdn.com/files/591308a8-3ed6-475e-8f2b-d77ed28d41d5/what_does_rattlesnake_flag_mean.pdf
- https://s3.amazonaws.com/davolazupivowi/nesinisaganuzuxomusekef.pdf
- https://uploads.strikinglycdn.com/files/31a9428e-6fff-4bbd-8037-da70f7894f7e/how_to_get_breakout_rooms_zoom.pdf
- https://uploads.strikinglycdn.com/files/41e2412d-b125-4353-b918-d9632bd6c470/xodowisetoji.pdf
- https://uploads.strikinglycdn.com/files/a7cd68e7-9fa7-4041-a499-655312050755/dell_monitor_wont_turn_on_after_power_outage.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/
- https://savannah.gnu.org/projects/freefont/
- http://www.gnu.org/licenses/
- http://www.gnu.org/copyleft/gpl.html
- http://scripts.sil.org/OFL
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 6

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000ebbf.bin` `a34b840e6e726380c84f4f3a148208c6ea30fbf11d32fd72c0113864af826204`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEBBF	6812 bytes
`font_01_sfnt_off0000fcf4.bin` `61d09dcb0c2dfa484d28e776c6dd7ba08e4a6423693004d30a38c30a4be828f9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFCF4	5328 bytes
`font_02_sfnt_off00010f18.bin` `ae04aa9d22fdd7de5318d91ac69a8f6aa3f53e8d849e9ef5ff6d6136363602f9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10F18	4592 bytes
`font_03_sfnt_off00011ff7.bin` `04b62bc2a9475178ce0a148ae612dae4b85dd7d3804e4bd199d221e7fcc31fcd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11FF7	11472 bytes
`font_04_sfnt_off000146d1.bin` `a8b3a05748680d4729c4f35ffdafd02f0cd255abe31641546fd3aba4d4279d68`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x146D1	18012 bytes
`font_05_sfnt_off000162a0.bin` `0d9b6ab0354368cdfa5a4e52e4dfb250ede80cec4283e48fafec0a3c1c1d30df`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x162A0	1736 bytes

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