PDF malware analysis — malicious · ce06f173747d6893

MALICIOUS

PDF

178.6 KB Created: 2021-03-23 15:48:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-10

MD5: 7cbedb836b6ce2b777549a379eb565f8 SHA-1: 62ae592b1129c83213da6c5167f1753f8f1c290d SHA-256: ce06f173747d689355dabf19e0b79e98099720c85c2b747eca82682964b97407

176 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution T1059.007 JavaScript

The file is a PDF that exhibits multiple high-risk heuristics, including instructions to disable security software and a lure for a password-protected archive. The embedded URL 'https://nipisod.ru/wix?keyword=sony+vegas+pro+13+crack+mega' suggests a phishing or malware distribution attempt, likely related to software cracking. ClamAV detection further confirms its malicious nature. The document body is heavily corrupted, preventing a detailed analysis of its content, but the heuristics strongly indicate a phishing or trojan delivery mechanism.

Machine Learning

Nyx PDF Classifier malicious score 0.9994

Heuristics 6

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
Security software disable instruction high SE_SECURITY_BYPASS

Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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://nipisod.ru/wix?keyword=sony+vegas+pro+13+crack+mega PDF link annotation
- http://gmetry.online/zopux5d55r.pdfIn PDF document text
- http://itanah.space/quadratic_inequalities_worksheet_kuta30a2l.pdfIn PDF document text
- https://cdn.sqhk.co/sedazozesufu/Shh3Ojc/83729774049.pdfIn PDF document text
- https://cdn.sqhk.co/rakuvonume/bhd3jeO/zowir.pdfIn PDF document text
- http://djami.ru/223593320293b0jp.pdfIn PDF document text
- http://idem-peshkom.ru/cnc_router_tool_changer_kit2o66y.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/6fd9314c-fcc1-4898-b530-4a5c8494a1c9/feminism_is_for_everybody_summary.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6348ee7f-cdae-444a-822f-efbb4133de05/padegusabot.pdfIn PDF document text
- https://s3.amazonaws.com/jojitagifuva/sapitosa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9e20c303-590f-437c-85fd-8cb38737d8f4/sermones_adventistas_en_audio.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/68e81345-2891-4046-8915-ad33b742ed5e/dell_latitude_e6430_review_2013.pdfIn PDF document text
- https://s3.amazonaws.com/solonebosop/baofeng_uv-5r_dual_band_two_way_radio_range.pdfIn PDF document text
- https://s3.amazonaws.com/mulerux/stihl_hs45_carburetor_rebuild.pdfIn PDF document text
- https://s3.amazonaws.com/woxorojero/integers_and_absolute_value_worksheet_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2c71abf7-6cb5-49b6-b54c-da77151a0431/gosetozudunipixikileto.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d7307f65-3a20-4d0e-8448-bb1b7dd704b2/who_played_bobby_the_bat_boy_in_the_movie_the_natural.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/81962fdf-5712-4d76-bd5b-5633fa36c390/interior_design_degree_programs_in_texas.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/01b28fa5-fe4a-4068-8dfb-d29657708e6c/skyrim_xbox_360_tips_and_tricks.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f5a73b66-78c9-437f-8d5b-8fd225a668ad/dbpower_hd_1080p_action_camera.pdfIn PDF document text
- https://s3.amazonaws.com/pisedij/game_c._a._t._s_mod_terbaru.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5f8fef34-4753-46ba-9bf3-d45706849aaf/35415458140.pdfIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000101b6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x101B6	130312 bytes
SHA-256: `dc765414aabdc26b2605428b57a3cb14bbd2f5eb6737a4114bba7e137eda31d5`
`font_01_sfnt_off000283e7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x283E7	5768 bytes
SHA-256: `8a610e2d1426dc2b1db8fce40ee8c6aeedef33577d96008eb5425bc2fd6d4a85`
`font_02_sfnt_off00029797.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x29797	10832 bytes
SHA-256: `613f4e8ad6f1b5877a965cb5619b41d9aba629bb4fa7f43a66ae20374cb0a59a`

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