Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f840deb926a2705…

MALICIOUS

PDF

85.1 KB Created: 2021-03-22 00:15:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3f5ea127f5d11a3c87363c889ee54707 SHA-1: 21d4c43c8cacb31565d07f19ddd3c30ea393fcfa SHA-256: 2f840deb926a2705f53ff2d4bd5837e2f0013c87bb91075555795cb5cbd35d49
96 Risk Score

Malware Insights

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

The PDF contains multiple embedded URLs, with one specifically mentioning 'download drake tax 2020mp3', suggesting a phishing or malware distribution lure. The ClamAV detection and ML classifier strongly indicate malicious intent. While no scripts were explicitly extracted, the presence of external URIs and the overall nature of the heuristics point towards a phishing or downloader attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9983

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://midufefew.ru/wix?keyword=download+drake+tax+2020mp3
    • http://regse.website/subhash_kashyap_our_constitution_download8vmyb.pdf
    • http://salearea.pro/how_to_learn_probability_fastyx25h.pdf
    • http://geniusenglish.space/cissp_study_guide_8th_edition_free_download9yko5.pdf
    • http://acgmgroup.ru/ansible_zip_from_artifact4z6ks.pdf
    • http://kudretbozaci.com/706455499113mdhl.pdf
    • https://dipabuxirakilat.weebly.com/uploads/1/3/1/0/131071076/0bc731e28316a6.pdf
    • https://tojaxufuvubugo.weebly.com/uploads/1/3/4/6/134641466/a3ee9518fd.pdf
    • https://suridivulav.weebly.com/uploads/1/3/5/3/135312357/wugiwubaridozapap.pdf
    • http://cherrypimp.online/how_to_make_bat_stickers_at_home_easyqpu8z.pdf
    • https://cdn.sqhk.co/raxuzuvuluf/nshbjgM/international_day_of_the_girl_hashtag.pdf
    • http://itawomen.fun/subway_menu_price_indiavfc3h.pdf
    • http://fenellalucynelle.info/47472245143k5xv0.pdf
    • http://bossyonlinex.com/curse_of_strahd_miniatures_3d_printptroy.pdf
    • http://verifiedbadge-lnstagram.com/allen_carr_easyway_to_quit_smoking_bookci314.pdf
    • http://korsabarca.com/8020070010551oy9.pdf
    • http://genusadnlo.space/european_intellectual_property_lawftrgp.pdf
    • https://cdn.sqhk.co/xuluriwu/Eig0ham/dozesuras.pdf
    • http://winoorama.fun/lenovezebagadejawum7ga5.pdf
    • https://subilitukufune.weebly.com/uploads/1/3/4/6/134629352/nazupitoleno_kepavip_xeniximeperal_kixiluliwikavam.pdf
    • http://phrensy.co/73180849809r3mc.pdf
    • http://fontawesome.iohttp://fontawesome.io/license/
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://3c45aaf8-24f3-4cde-9773-cf44a0a970d3.filesusr.com/ugd/ae7d54_ac051e980b2d43b5a8a99c4876648c30.pdf?index=true
    • https://0926596c-b1e6-4473-87d6-fed2e709bfeb.filesusr.com/ugd/e2a635_0dda821e6b5a4e559b8abf2c2353d16e.pdf?index=true
    • https://874c0fd6-92eb-497b-905f-dc7ca4d2e287.filesusr.com/ugd/5ca7d4_45c220d673ad46c5af76d06818200675.pdf?index=true
    • https://a8a70d16-e3f0-4805-b115-4d8c62c40b57.filesusr.com/ugd/82e28d_54d9285148a14f6c9e1378dfeec9e42d.pdf?index=true
    • 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
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ee1f.bin
4fe1f96ba8db5cf35ca47cddaf067669eaebb9c038fc61eabfa1f5836d0fc525
pdf-font-stream PDF embedded font (sfnt) at offset 0xEE1F 1768 bytes
font_01_sfnt_off0000f6c5.bin
33c3dcc912a520486d4ba23608c407cd2ee163ee20e415db54f7e49cf05d6825
pdf-font-stream PDF embedded font (sfnt) at offset 0xF6C5 5588 bytes
font_02_sfnt_off000109cc.bin
371168940ff3a5ae47c2e2ec4003bc8964e9de037f8c5e4f6c8b460c48629395
pdf-font-stream PDF embedded font (sfnt) at offset 0x109CC 11472 bytes
font_03_sfnt_off00013075.bin
2732c78df68b4531e26da51a256f0f9ab881cb8a96d1886ade34872d88eeece3
pdf-font-stream PDF embedded font (sfnt) at offset 0x13075 16140 bytes