PDF malware analysis — malicious · e5a3edd1911c3f3f

MALICIOUS

PDF

75.4 KB Created: 2020-12-29 22:28:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02

MD5: 6ebfeab1e84170cc7bf6bc1bf6eb9067 SHA-1: ea37eb50d5ba97d4786deb9396ce890a34ae92a1 SHA-256: e5a3edd1911c3f3f6ae72c996045ed6747607b4d33c7bae6fdd2135867cd3901

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 0.9994

Heuristics 4

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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://traffine.ru/strik?utm_term=dino+safari+2+hack+apk+download PDF link annotation
- https://static.s123-cdn-static.com/uploads/4479224/normal_5fcb96d7468c9.pdfIn PDF document text
- https://rogapunuki.weebly.com/uploads/1/3/4/3/134375427/lixazasoxul_febosado_pidufonora.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384143/normal_5fc1e153714c2.pdfIn PDF document text
- https://cdn.sqhk.co/fuluzezufe/UNjehjI/saxomefaravakuke.pdfIn PDF document text
- https://cdn.sqhk.co/guxuboru/ghsZSia/64820370795.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501495/normal_5fdc109fd035c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4455876/normal_5fddd8620e462.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409826/normal_5fd0dfb80b709.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/baritexovopa/mumitotisimozimixifob.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a677dc56-9692-47d5-9c14-48c2b5a0aef7/caliber_scientific_calculator_instru.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_off0000da00.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDA00	5120 bytes
SHA-256: `1d77af1d68b5b6174e0386a539c73f96aad4b88b3530a523c866f58e1a760ee8`
`font_01_sfnt_off0000eb65.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEB65	12268 bytes
SHA-256: `7ee07175a8a0dc4815d45812e94c242259d87490b6cfce33602d1135d7ba8992`
`font_02_sfnt_off000112d1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x112D1	4324 bytes
SHA-256: `ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230`

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