Malicious PDF — malware analysis report

Static analysis result for SHA-256 a346842552e0d290…

MALICIOUS

PDF

201.7 KB Created: 2021-05-23 17:52:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 9bff0239c17e07d14bc6be5a4abb9f3e SHA-1: 9a37ac4c00fb33efda17be471d3a7683f58e429a SHA-256: a346842552e0d290f3dd37b860f787ab3b1ea2507453718fa68a6a03cefb7be4
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.7981

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://mezovuduw.ru/strik?utm_term=dragonvale+gem+hack PDF link annotation
    • https://nasabera.weebly.com/uploads/1/3/4/4/134447265/b5f36205b2.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4371536/normal_5ffcf7806b1e9.pdfIn PDF document text
    • https://jewuvasoseximu.weebly.com/uploads/1/3/4/3/134355154/panabojikugunilugim.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372673/normal_600f00f6737a7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459777/normal_5ff654f1e0580.pdfIn PDF document text
    • https://mabunamu.weebly.com/uploads/1/3/4/9/134902385/8cf96c33a7f.pdfIn PDF document text
    • https://luxufaxunixepu.weebly.com/uploads/1/3/4/5/134584211/4381739.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4495254/normal_5feddb336f81c.pdfIn PDF document text
    • https://rinotawobuv.weebly.com/uploads/1/3/4/7/134768279/c97be155ca7.pdfIn PDF document text
    • https://takewinedol.weebly.com/uploads/1/3/4/7/134768260/8351652efc.pdfIn PDF document text
    • https://lepefolavexar.weebly.com/uploads/1/3/0/8/130874674/tavod_puxusonojopag.pdfIn PDF document text
    • https://xoxovumalojiru.weebly.com/uploads/1/3/0/8/130874224/61537b6734.pdfIn PDF document text
    • https://mamumudud.weebly.com/uploads/1/3/0/8/130814078/nipuwa.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4416921/normal_5fdf983b713ee.pdfIn PDF document text
    • https://fipubizibogu.weebly.com/uploads/1/3/0/7/130775584/977d0bae77.pdfIn PDF document text
    • https://xalojuxovev.weebly.com/uploads/1/3/0/7/130774978/95f5c1eb.pdfIn PDF document text
    • https://korijefefaviroj.weebly.com/uploads/1/3/4/5/134506453/8461140.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/zinudipir/pezekudide.pdfIn PDF document text
    • https://s3.amazonaws.com/tikoweravisixu/nexelabowajulabire.pdfIn PDF document text
    • https://s3.amazonaws.com/jopomodilamego/html_table_style_padding_left.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000292c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x292C1 2908 bytes
SHA-256: c6017a6d86a855746cc3374208884d3bb344ce5192612ec9a4311c37ea481331
font_01_sfnt_off00029d24.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x29D24 4816 bytes
SHA-256: e0db443718eb3bbb674d06a388fdc28df817207df10e32a8c6d3ef31383e33ad
font_02_sfnt_off0002ad44.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2AD44 7136 bytes
SHA-256: ee3acdcd2016c901111aac24eb27c2cae8f473c7b9a830371a1934d1f4a361af
font_03_sfnt_off0002c642.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C642 12724 bytes
SHA-256: f9b848dc65902c5e137ee33ee6fefe75db242553208d66a06ff468dbb47a5bda
font_04_sfnt_off0002f11e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F11E 17020 bytes
SHA-256: 0d1d0e16064183ee98c34139300c1b2fbadbc5632005225848503440749f0c4b
font_05_sfnt_off00030914.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30914 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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