PDF malware analysis — malicious · 045e80af79676ca7

MALICIOUS

PDF

72.6 KB Created: 2021-03-07 06:23:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 2278fd545143c7d59111cb89bd8d7bfb SHA-1: d437954ab3815ab84b1dd1b7ffaa156ac0a794bd SHA-256: 045e80af79676ca79458db16304414837e30fd679f3ed44e72d24cc5f7c1a2b3

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-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://crophysi.ru/strik?utm_term=bounty+hunter+tracker+iv+manual+en+espa%25C3%25B1ol PDF link annotation
- https://cdn-cms.f-static.net/uploads/4385235/normal_6037c7aac65f1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4498978/normal_6017882b99b1b.pdfIn PDF document text
- http://trenketo.buzz/tejonixegivorawodiduxukufzjmj3.pdfIn PDF document text
- http://repetitor-ru.ru/pdf_to_word_ocr_software_free5vevc.pdfIn PDF document text
- http://fdvsefwfrw.space/10799287989h7y3m.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387922/normal_60260c7a9a9f9.pdfIn PDF document text
- http://groby-ritual.online/65922272680cgr83.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462974/normal_60443ee154e7d.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/c98c0d0f-e285-40f3-9f63-39ff84c23f43/75988507390.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/de09f5ae-fcc4-4ff7-80c2-88340f345ced/43248865078.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/27bb238a-9d3f-4315-92ea-64d3a09cfe20/95514914946.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d912d4be-5f9e-487b-b256-6c137cc621fe/72600537307.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/18339dff-aca7-474e-8f30-1e653d656749/20610413643.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_off0000dc50.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDC50	5660 bytes
SHA-256: `677f3edd9289f35f136e2a3b161c54116fba3b0daeb9c98485548549b07eadea`
`font_01_sfnt_off0000ef33.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEF33	10864 bytes
SHA-256: `e2f3095f58f2c68362594adaea4d9edcbe3fa8d98fedaba0726ae70f5fa64835`

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