PDF malware analysis — malicious · b042e8555cbea954

MALICIOUS

PDF

75.5 KB Created: 2020-11-19 01:06:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02

MD5: c6e8aaae4b135d398d2e5feb0016a201 SHA-1: 977d2f50218c0463f2f583e89d95a7ef4b71d2ae SHA-256: b042e8555cbea9547c5e77d909c2a397e4f3d5b9398c0b1dbe7a1a77d7f08358

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/123?utm_term=holmes+and+watson+parents+guide PDF link annotation
- https://cdn-cms.f-static.net/uploads/4404502/normal_5fa5ff300e789.pdfIn PDF document text
- https://juporolo.weebly.com/uploads/1/3/1/3/131380745/3943693.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368226/normal_5f8769eb661e5.pdfIn PDF document text
- https://kovovovugatu.weebly.com/uploads/1/3/4/5/134599685/e2059c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374364/normal_5fab949589836.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388818/normal_5fa49f6f88523.pdfIn PDF document text
- https://zizuralozirufu.weebly.com/uploads/1/3/1/4/131483034/fujatebivab.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367952/normal_5fa790cd9dce0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376854/normal_5f8b1510850cd.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/mesixadelomomo/photoshop_cc_2018_portable_download.pdfIn PDF document text
- https://s3.amazonaws.com/zebarufuridorur/putlocker_spring_breakers.pdfIn PDF document text
- https://s3.amazonaws.com/votuweroxigezog/feed_mt_anderson_free.pdfIn PDF document text
- https://s3.amazonaws.com/zonivezada/76404641998.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_off0000e9b2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE9B2	5332 bytes
SHA-256: `b815f8aef1592c7e75b88985f6359777c944e0c59ef98e973e1c84d49407be85`
`font_01_sfnt_off0000fbc7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFBC7	10880 bytes
SHA-256: `9cdfe41c4250f7a41b9e09193a053ae4cf954dd93530f57bca0608338a6db0ea`

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