Malicious PDF — malware analysis report

Static analysis result for SHA-256 b56e00e04c5f762e…

MALICIOUS

PDF

75.1 KB Created: 2021-03-16 19:00:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 5fe19942d3c30396a2bf4a05d598c989 SHA-1: 85cff7b28f6ac04996877b9a51f35c2815c6f0d8 SHA-256: b56e00e04c5f762e6c0b6fe07676bcfa9115bf0bb5d557a46cf0c6268fd151b0
96 Risk Score

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 0.9994

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://dugedepap.ru/wix?keyword=hardin+county+auditor+site PDF link annotation
    • http://davebamonuzove.medianewsonline.com/5_tibetan_rites_proven_benefits.pdfIn PDF document text
    • http://lezeninimi.medianewsonline.com/32160433088.pdfIn PDF document text
    • http://gasurorir.sportsontheweb.net/tb_meningitis_treatment.pdfIn PDF document text
    • http://sokegex.mywebcommunity.org/que_es_un_cation_y_un_anion.pdfIn PDF document text
    • http://tiwimifozukimu.medianewsonline.com/tabla_de_verbos_didacticos_de_la_taxonomia_de_bloom.pdfIn PDF document text
    • http://vquest.website/who_is_the_strongest_god_in_greek_mythologyapx8r.pdfIn PDF document text
    • http://kikababono.mywebcommunity.org/sony_alpha_330_mount.pdfIn PDF document text
    • http://klokisik.space/93033442990mbj8u.pdfIn PDF document text
    • http://wativeb.mypressonline.com/speed_queen_washer_and_dryer_commercial.pdfIn PDF document text
    • http://lorakuze.sportsontheweb.net/nodejexajibijelasodexevaz.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/towakog/kosozugijobibidirul.pdfIn PDF document text
    • https://s3.amazonaws.com/jifedefujodu/56174362783.pdfIn PDF document text
    • http://nabulegewuwal.myartsonline.com/rogutagafibatazodetoboze.pdfIn PDF document text
    • http://gurabagoderes.atwebpages.com/rafufudiwafozejebutiravu.pdfIn PDF document text
    • https://s3.amazonaws.com/zopenave/vatotudafaludu.pdfIn PDF document text
    • https://s3.amazonaws.com/timeziso/43868926493.pdfIn PDF document text
    • https://s3.amazonaws.com/ganubifirigevi/what_s_my_name_descendants_2_mp4.pdfIn PDF document text
    • https://s3.amazonaws.com/vibasujefir/redipisuputumutepe.pdfIn PDF document text
    • http://mejumobax.atwebpages.com/management_of_arrhythmias.pdfIn PDF document text
    • https://s3.amazonaws.com/forupokisip/68899397904.pdfIn PDF document text
    • https://s3.amazonaws.com/tuzamada/pulse_oximetry_waveform_interpretation.pdfIn PDF document text
    • https://s3.amazonaws.com/nowonovege/gaudeamus_igitur_music_sheet.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d7ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD7FF 4844 bytes
SHA-256: 87062b5f24e0b7d515e3340a41d9be5a3c31f81db0a3f91cc44d609ef4f60ae9
font_01_sfnt_off0000e87d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE87D 11868 bytes
SHA-256: 9a674dc338f5ee41a0f745c6577b16300f873d073617bf2464f76d632a23a300
font_02_sfnt_off000110cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x110CB 4324 bytes
SHA-256: ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230

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