PDF malware analysis — malicious · 7b7ffddeb35e2a4e

MALICIOUS

PDF

67.0 KB Created: 2020-11-11 22:51:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04

MD5: 52597ec7d1bc73e9fad3adefe71a6a75 SHA-1: dbc77c391d371ebdf9fe9d30c1becd3a8e982d5a SHA-256: 7b7ffddeb35e2a4ecab139acd13aab9e0ef0c1e8d743b197479a975139b60d9e

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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://traffking.ru/strik?utm_term=sims+4+torture+mod PDF link annotation
- https://cdn-cms.f-static.net/uploads/4369781/normal_5f9c87308a629.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425214/normal_5fa58491bcf80.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366952/normal_5f873177a0260.pdfIn PDF document text
- https://vafubetuxako.weebly.com/uploads/1/3/4/5/134503762/sakuduvowisumedabuf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413735/normal_5fa40fc2ebafc.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/fapaga/que_te_gusta_hacer_response.pdfIn PDF document text
- https://s3.amazonaws.com/wazagidonux/nativity_of_our_savior_school_calendar.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ef01b172-ccea-4f73-b5cd-a23f2aa1c731/realidades_3_capitulo_2_answer_key.pdfIn PDF document text
- https://s3.amazonaws.com/henghuili-files/words_with_special_effects_on_facebook.pdfIn PDF document text
- https://s3.amazonaws.com/lixasifasi/english_cartoon_book_free_download.pdfIn PDF document text
- https://s3.amazonaws.com/xapota/tom_goes_to_the_mayor_new_season.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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000cc5d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCC5D	4920 bytes
SHA-256: `c6c061b617659849273593c8c3a4819e5ae4b145b3409a4032f3590bb11abeb3`
`font_01_sfnt_off0000dd09.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDD09	10092 bytes
SHA-256: `e947ec949b2795102421cc328dbfa6d9bd2047e8c35bf138e493473b0d859834`

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