Malicious PDF — malware analysis report

Static analysis result for SHA-256 f757f5b76a9359af…

MALICIOUS

PDF

76.3 KB Created: 2021-03-01 13:27:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 33a8a7cf0c307df9c0ffc5a13af91709 SHA-1: 9194bbe5d474671930573f0dab55a41e518d174b SHA-256: f757f5b76a9359af0a0fe3e8c530414a9006f02ee81cc7b8db689fb7924f2082
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 0.9997

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://nipisod.ru/strik?utm_term=eotech+512+a65+problems PDF link annotation
    • http://tujomof.22web.org/guidelines_for_promoting_health_in_schools.pdfIn PDF document text
    • http://wamuwosola.mygamesonline.org/hunter_douglas_powerrise_battery_wand_replacement.pdfIn PDF document text
    • http://vevaxogejaz.scienceontheweb.net/kx_85_price_malaysia.pdfIn PDF document text
    • http://nitanupemil.mygamesonline.org/how_to_find_out_how_many_molecules_are_in_a_compound.pdfIn PDF document text
    • http://lezobul.medianewsonline.com/canon_mx922_ink_cartridge_replacement.pdfIn PDF document text
    • http://jivusibofonefud.mygamesonline.org/mogezakiliwijunafuxonasor.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/fifomi/washington_redskins_friday_injury_report.pdfIn PDF document text
    • https://s3.amazonaws.com/pokorevalaxex/3552945199.pdfIn PDF document text
    • http://jufosuliz.epizy.com/68808099330.pdfIn PDF document text
    • https://s3.amazonaws.com/gozilum/fipufa.pdfIn PDF document text
    • http://nebokidib.epizy.com/dakegosaxewubipejizizu.pdfIn PDF document text
    • https://s3.amazonaws.com/xeponodij/beep_song_free_in_starmusiq.pdfIn PDF document text
    • http://xejarejunap.rf.gd/emerald_green_arborvitae_care_guide.pdfIn PDF document text
    • http://beliraguw.onlinewebshop.net/is_thinkorswim_level_2_free.pdfIn PDF document text
    • http://porapasegunan.epizy.com/jomeruzipuwor.pdfIn PDF document text
    • http://zorarovotasutot.rf.gd/essentials_of_genetics_9th_edition_free_download.pdfIn PDF document text
    • https://s3.amazonaws.com/didowugorokirug/39759543672.pdfIn PDF document text
    • https://s3.amazonaws.com/zidosozawok/ectopic_pregnancy_guidelines_2019.pdfIn PDF document text
    • https://s3.amazonaws.com/farezelof/beginning_l_blends_worksheets.pdfIn PDF document text
    • http://japinoxizidunub.myartsonline.com/68590386675.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

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000eb19.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB19 5732 bytes
SHA-256: 8653a0b5990b70dcafab83946713e74d845c2f7d1314261889bd075f39f442e3
font_01_sfnt_off0000fe74.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE74 11300 bytes
SHA-256: 7738e026fb3e8c1c0263ecddf1c9a068ce1403f3930778b22ddcfa3ad7efbc1e

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