Malicious PDF — malware analysis report

Static analysis result for SHA-256 5af0280b5f4181c0…

MALICIOUS

PDF

84.7 KB Created: 2021-04-11 20:17:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 75514381e4a1cdf3c5f91be3d8f596ff SHA-1: 74f9cb11f7dc867df9dae9c1f0c0fd34ce374c37 SHA-256: 5af0280b5f4181c0b4663d48e7397a598214d48f6cb6a6a2c90512a4de56c9e5
96 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 as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, likely intended to deliver a malicious payload or redirect the user to a phishing site. The document body, though heavily obfuscated, suggests a lure related to 'English word family list pdf'. No scripts were extracted from this sample, but the presence of external URIs and the overall detection profile strongly indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9950

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://soxebez.ru/strik?utm_term=english+word+family+list+pdf PDF link annotation
    • http://bibuzikufaje.mygamesonline.org/how_to_use_the_wii_u_pro_controller_on_switch.pdfIn PDF document text
    • http://femetorisufi.sportsontheweb.net/how_long_does_it_take_to_cook_a_20_pound_turkey_in_a_convection_oven.pdfIn PDF document text
    • http://sakuravaju.iblogger.org/bahubali_malayalam_movie_3gp.pdfIn PDF document text
    • http://ruszaimclub.ru/excavation_safety_guide16919.pdfIn PDF document text
    • http://fovajifep.iblogger.org/antenna_lecture_notes.pdfIn PDF document text
    • http://finipupote.mywebcommunity.org/46085898799.pdfIn PDF document text
    • http://tewatag.medianewsonline.com/makalah_gastroenteritis_akut.pdfIn PDF document text
    • http://fresh-ita.space/best_carpentry_school_near_me9rkny.pdfIn PDF document text
    • http://tibuwajeta.22web.org/14273061971.pdfIn PDF document text
    • http://naturebiolog.space/interior_design_styles649m4.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
    • http://dagilupakov.rf.gd/bacula_client_windows_64.pdfIn PDF document text
    • http://besogigususatu.epizy.com/mitajigurejubagave.pdfIn PDF document text
    • https://s3.amazonaws.com/vavebufevodutob/alarm_clock_ios_free.pdfIn PDF document text
    • https://s3.amazonaws.com/topipovikapari/23070579860.pdfIn PDF document text
    • https://s3.amazonaws.com/tabobujimo/basara_heroes_2_for_android_apk.pdfIn PDF document text
    • http://xujided.onlinewebshop.net/86340255121.pdfIn PDF document text
    • https://s3.amazonaws.com/zetubakuz/36179049889.pdfIn PDF document text
    • https://s3.amazonaws.com/tirimofufemukat/eclipsing_binary_simulator_answers.pdfIn PDF document text
    • http://kibozitasosisan.epizy.com/84939272184.pdfIn PDF document text
    • https://s3.amazonaws.com/fajetufekejo/odfw_fishing_report_columbia_river.pdfIn PDF document text
    • http://wevikokuzufos.epizy.com/ctet_syllabus_paper_1.pdfIn PDF document text
    • https://s3.amazonaws.com/zazelujeju/bad_boy_tungevaag_song.pdfIn PDF document text
    • http://ratazudawi.epizy.com/origin_of_television.pdfIn PDF document text
    • http://pozadel.epizy.com/95389676359.pdfIn PDF document text
    • https://s3.amazonaws.com/miwolezedubujoz/duwafisanabubedakedulul.pdfIn PDF document text
    • https://s3.amazonaws.com/jozaponi/43003212189.pdfIn PDF document text
    • https://s3.amazonaws.com/nuruvapozixix/xofabilijifaropitot.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f9bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF9BD 5276 bytes
SHA-256: 9d297a22dbc06525a0f4143c1e48cc602e6413164ae0481f274a995ba3c82449
font_01_sfnt_off00010b8b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10B8B 13200 bytes
SHA-256: 80f5e12ff0d21c012f98a249e5267135b97330e37d11af19257444181ea9bd00
font_02_sfnt_off0001369d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1369D 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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