PDF malware analysis — malicious · b8622400a2a24428

MALICIOUS

PDF

72.4 KB Created: 2021-03-03 03:24:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26

MD5: 90e9ff5822d707d715a26adcd70098ef SHA-1: d6f2231b4b7c4f60b170bc0973435093803d581e SHA-256: b8622400a2a24428e6b3ffdb7849ac16f923365cf2d9b787dab08667cd278e09

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains an embedded URI pointing to a suspicious domain, identified by ClamAV as a phishing trojan. The document body, though heavily obfuscated, suggests a lure related to 'baby girl names greek mythology'. The presence of multiple unknown URLs further supports a phishing or malware distribution attempt.

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://botokaw.ru/award?keyword=baby+girl+names+greek+mythology PDF link annotation
- https://cdn.sqhk.co/vizelupavew/jcLjejb/wiloroduzatojeroperololo.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454435/normal_5fe2bd0590362.pdfIn PDF document text
- https://cdn.sqhk.co/senuziker/hi0ih3C/71300122861.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409421/normal_5fd0ffa32e741.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4411481/normal_6016faa5285fe.pdfIn PDF document text
- https://cdn.sqhk.co/kutajanode/fieakje/jinirovu.pdfIn PDF document text
- https://cdn.sqhk.co/zanuvajebodu/dghgigS/the_athletic_sports_news_stories_scores_more.pdfIn PDF document text
- http://taforojujutusig.mygamesonline.org/is_a_2009_toyota_corolla_a_good_car.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/vibasujefir/excel_vba_find_multiple_sheets.pdfIn PDF document text
- https://s3.amazonaws.com/figidireki/hello_neighbor_xbox_act_1_guide.pdfIn PDF document text
- https://s3.amazonaws.com/fenatagazise/integral_calculus_problems_with_answers.pdfIn PDF document text
- http://sasukagisodubex.onlinewebshop.net/96901190844.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_off0000de8b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDE8B	5456 bytes
SHA-256: `97d232e5415639ca45d0afe76236cf96882fe416923e357e72b153e59ae600f6`
`font_01_sfnt_off0000f0fc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF0FC	10492 bytes
SHA-256: `073a2d894619ea5f279f8c67013f01cb7d213f35f97e32c7d4160183db8ae4b8`

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