Malicious PDF — malware analysis report

Static analysis result for SHA-256 a9bf196abc31122f…

MALICIOUS

PDF

79.4 KB Created: 2021-03-26 11:40:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 07121f4b98e6f07220c4b5c341614b1f SHA-1: 50fea5d5704d2965caa605b2630933965dd79c65 SHA-256: a9bf196abc31122fbb89d3092ff768a2cda0930454f7f771eb39962d5b153a7e
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 0.9990

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://bologen.ru/strik?utm_term=royal+mail+international+parcel+tracker PDF link annotation
    • http://kilidivofafo.iblogger.org/sujazuzozexejepejagukixe.pdfIn PDF document text
    • http://kofojoxake.mygamesonline.org/rosabikama.pdfIn PDF document text
    • http://nosixavol.sportsontheweb.net/fajofafabozofasaxaz.pdfIn PDF document text
    • http://rumafelaneli.mygamesonline.org/vitek_ms_biomerieux.pdfIn PDF document text
    • http://xiwesesakuvel.medianewsonline.com/cambridge_7_listening_test_2_answers.pdfIn PDF document text
    • http://manibupefif.mypressonline.com/beyond_band_of_brothers_free_download.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://dojiseb.epizy.com/allez_allez_allez_song_liverpool.pdfIn PDF document text
    • http://kivozusemu.atwebpages.com/jalanidhi_project.pdfIn PDF document text
    • https://s3.amazonaws.com/gixawetopoli/dream_it_possible_delacey_piano_sheet.pdfIn PDF document text
    • https://s3.amazonaws.com/fokapikow/how_to_make_a_granny_square_crochet_afghan.pdfIn PDF document text
    • https://s3.amazonaws.com/sesafefanulokam/chal_mere_bhai_movie_full_hd.pdfIn PDF document text
    • https://s3.amazonaws.com/wulotugadag/59896391185.pdfIn PDF document text
    • http://jizirolizeguwok.rf.gd/alcance_de_un_proyecto_de_construccion_ejemplo.pdfIn PDF document text
    • https://s3.amazonaws.com/vibasujefir/latest_version_of_whatsapp_apk_for_tablet.pdfIn PDF document text
    • https://s3.amazonaws.com/betefowubevat/6153683515.pdfIn PDF document text
    • https://s3.amazonaws.com/wizomoravazub/fisuxefawaledomo.pdfIn PDF document text
    • https://s3.amazonaws.com/mizeteb/vupapudoxe.pdfIn PDF document text
    • http://zibelasavu.atwebpages.com/manual_geografie_clasa_12_cd_press.pdfIn PDF document text
    • https://s3.amazonaws.com/gajabedafot/how_to_use_a_facial_cleanser_and_massage_brush.pdfIn PDF document text
    • http://gafibis.epizy.com/gumitireginimewuvolaki.pdfIn PDF document text
    • https://s3.amazonaws.com/jinabisura/anaconda_python_3._5_mac.pdfIn PDF document text
    • https://s3.amazonaws.com/jobavo/fast_food_gluten_free_and_dairy_free.pdfIn PDF document text
    • https://s3.amazonaws.com/xoguwavosuje/photography_gift_certificate_template_photoshop_free.pdfIn PDF document text
    • http://sogoxutagejuno.atwebpages.com/losotexajovuzokukirezi.pdfIn PDF document text
    • https://s3.amazonaws.com/dutimajizowa/how_to_read_1_8_architectural_scale.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_off0000e9a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE9A8 4864 bytes
SHA-256: a497777b945d36e1ef246b4821820f96b023422b291acad1fc1320fc9576ee0a
font_01_sfnt_off0000fa18.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA18 11016 bytes
SHA-256: 439301c7238b712a6b6a47b97cfa39389abe2324afb2b2c03fbdb3c0a2f38bf8
font_02_sfnt_off00011fd8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11FD8 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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