PDF malware analysis — malicious · eeb8ee9c93ac8c5f

MALICIOUS

PDF

70.4 KB Created: 2020-11-23 04:17:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15

MD5: c8bdb6ed10b3e0e323196e6070bb4f29 SHA-1: 99e9968df4e6588d9f84a68489d2007fc24647f9 SHA-256: eeb8ee9c93ac8c5f97cbc0538e4524fb738b6ad9154281742591d2df702cffba

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that redirects to a suspicious domain, likely as part of a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the presence of external URIs and the overall detection profile suggest the document is designed to lead the user to a malicious resource.

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/123?utm_term=druid+level+4+spells PDF link annotation
- https://midunaso.weebly.com/uploads/1/3/4/6/134680252/8701136.pdfIn PDF document text
- https://genexopeg.weebly.com/uploads/1/3/4/6/134661587/retunuretemasadix.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393020/normal_5fba606d0009b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408879/normal_5fa5f14160dac.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420019/normal_5f9cc3c8b413f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421781/normal_5fbb188d19bdd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4491433/normal_5fb58313debcd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486193/normal_5fbadcda242ff.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388824/normal_5fb3b71f973cb.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/bezegoluzose/nogutoromakitakiw.pdfIn PDF document text
- https://s3.amazonaws.com/tirimofufemukat/bunetamezevebor.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_off0000d937.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD937	4888 bytes
SHA-256: `af4b0b64dba6a43dec68bc2823c5a465655f1decde6c670f34ccd0aa90328f48`
`font_01_sfnt_off0000e9fb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE9FB	10192 bytes
SHA-256: `4bf4be7b887d3dccb90537d843328554682dec676c54d72a166e9aab2689bc35`

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