Malicious PDF — malware analysis report

Static analysis result for SHA-256 babd602e1c323a9c…

MALICIOUS

PDF

80.1 KB Created: 2021-06-03 07:40:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 967abde6f185d7b56afee22c6cac10db SHA-1: a8a3e7413e9b200805fbbe31adc8ac4781cff15c SHA-256: babd602e1c323a9c0a5f534ae38083ae298b99eef6861c0d9ba74ada2871cb9a
104 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically identified as a phishing trojan. The document body contains text related to 'Free facebook lite apk' and an embedded URL pointing to a download page for this application. This suggests a phishing or social engineering attack aimed at tricking the user into downloading potentially malicious software.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://drafthe.ru/pbw?utm_term=free+facebook+lite+apk
    • https://cdn-cms.f-static.net/uploads/4374181/normal_601a124578892.pdf
    • https://burogoga.weebly.com/uploads/1/3/2/7/132740280/2750886.pdf
    • https://static.s123-cdn-static-d.com/uploads/4464870/normal_60b619121f9db.pdf
    • https://ladulokepalixu.weebly.com/uploads/1/3/4/8/134878898/4360713.pdf
    • https://cdn-cms.f-static.net/uploads/4445742/normal_602b7a7222dca.pdf
    • https://nateguwab.weebly.com/uploads/1/3/1/4/131453796/6711050.pdf
    • https://cdn-cms.f-static.net/uploads/4403531/normal_6044912b4be13.pdf
    • https://static.s123-cdn-static.com/uploads/4383703/normal_5feeba526cc45.pdf
    • https://mamasikixatok.weebly.com/uploads/1/3/5/9/135961158/06f39d9aaf0.pdf
    • https://static.s123-cdn-static.com/uploads/4495065/normal_5ff7767cc8eab.pdf
    • https://cdn-cms.f-static.net/uploads/4424637/normal_604504f1e6aab.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://xoxafepapesu.pbworks.com/w/file/fetch/144420369/vudosav.pdf
    • http://pakesobiroge.pbworks.com/f/rapport_de_stage_3me_pharmacie.pdf
    • http://pefumugat.pbworks.com/w/file/fetch/144541905/how_to_calculate_fgx.pdf
    • https://uploads.strikinglycdn.com/files/c16f277f-9425-4e8f-b565-2fb84d61ae23/sears_lawn_tractor_parts_near_me.pdf
    • http://redelaw.pbworks.com/f/westland_survival_mod_apk_ios.pdf
    • http://fotikeralo.pbworks.com/w/file/fetch/144444003/maxexodagigebufaluf.pdf
    • http://giribuv.pbworks.com/w/file/fetch/144541386/how_to_study_study_guides.pdf
    • https://uploads.strikinglycdn.com/files/c8c234cf-8fce-40b0-911b-d48db665999c/53238273815.pdf
    • http://luwivaj.pbworks.com/f/duretuvasavenipupevon.pdf
    • https://uploads.strikinglycdn.com/files/42b05b50-e6ce-40e3-bd58-0e815fc8d022/41623192813.pdf
    • http://jevibufile.pbworks.com/w/file/fetch/144545301/75743424476.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fd3f.bin
0d6a878456d930cab5fa223e47c4e2554096ba7e09d3b8a8cb594005e313f13f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFD3F 4992 bytes
font_01_sfnt_off00010e4c.bin
bece97a7511f79b4b2e071253fe7d59a604e5a7e25d610a79ebc5ba4db372a76		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10E4C 10976 bytes

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