PDF malware analysis — malicious · f456f7cbb53f08f8

MALICIOUS

PDF

66.7 KB Created: 2020-11-12 14:40:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02

MD5: 4d58ff33ac2281b36eb7bd919e30b6d1 SHA-1: d80b460ed565a51c2b8a703c8369b5e5bc45f9ba SHA-256: f456f7cbb53f08f87a2699159c083f59c847f40f1934f3df76ba30456f21df19

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 0.9997

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://traffnew.ru/strik?utm_term=no-+no+boy+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4368500/normal_5f95277022faa.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369764/normal_5f895a9956f66.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/rebomedug/palmistry_urdu_book_download.pdfIn PDF document text
- https://s3.amazonaws.com/zopamagiguti/renesibuselavi.pdfIn PDF document text
- https://s3.amazonaws.com/gavexilatuvitaz/karpeles_manuscript_library_museum_duluth_mn.pdfIn PDF document text
- https://s3.amazonaws.com/nonabafat/spotify_premium_apk_2018_july.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/71f90ecb-05bf-48f3-9328-2994f05dd30a/jijorulebepedid.pdfIn PDF document text
- https://s3.amazonaws.com/xunilukegez/white_bear_lake_area_schools_isd624.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b007b781-c222-4b8a-9e1c-bb61b5cdde07/wonozadiga.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fec3873b-2b4a-403e-a724-9153739f9dbc/vsphere_6.5.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b5e9b45e-313b-40cd-ab35-7245eee4522a/nunikifeteniragisebi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/305def85-2712-46c8-8d34-ff6b0e96dd02/tongue_fu_szl_dv_sanat_-_sam_horn.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_off0000c8c5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC8C5	4764 bytes
SHA-256: `bcdde8c5c79604918837c250df40e1b372c7c1ffb68ae736e8512ccd2a3d87fb`
`font_01_sfnt_off0000d924.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD924	11364 bytes
SHA-256: `e14c817a9502643af5104552b8fd650b5b88c156058c5a6e61a2b45a6e71c5eb`

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