Malicious PDF — malware analysis report

Static analysis result for SHA-256 edd60a151ebb897e…

MALICIOUS

PDF

87.2 KB Created: 2021-03-17 18:08:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-30
MD5: 33d083b9edd0048c8450b31bc9d4b6a1 SHA-1: 7a305666bcb274ee266e9546c2707b7bc4ba68f5 SHA-256: edd60a151ebb897e0fd8e1aa4b3da99cbf0388cbcd81918e36881a934f766aa5
104 Risk Score

Malware Insights

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

The PDF file was flagged by ClamAV as a phishing trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains a call-to-action button and an embedded URL pointing to a download site for a fake GPS application. No scripts were extracted, but the presence of an external URI suggests an attempt to download a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://jumiwimov.ru/wix?keyword=fake+gps+go+apk+download PDF link annotation
    • http://shishkin-seed.xyz/elite_dangerous_eddb_guidepjmox.pdfIn PDF document text
    • https://cdn.sqhk.co/pekebugus/gzgehg4/freebies_meaning_in_bsnl_105_plan.pdfIn PDF document text
    • https://cdn.sqhk.co/tofepojafuz/f6Q4ifI/iras_gst_guide_for_property_owner.pdfIn PDF document text
    • http://detonicinitalia.website/nbde_part_1_questions_free_download7iart.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://vogojitipam.epizy.com/42021818539.pdfIn PDF document text
    • http://nifukugobu.rf.gd/christmas_drawing_pictures_free.pdfIn PDF document text
    • https://s3.amazonaws.com/ganubatebedoxez/logimubejepudidusadiwet.pdfIn PDF document text
    • http://judimavazamo.epizy.com/vita_enamic_shade_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/ritoma/mercruiser_5.0_mpi_fuel_filter_location.pdfIn PDF document text
    • https://s3.amazonaws.com/jiguwuzobozobaz/avast_antivirus_software_with_key_free.pdfIn PDF document text
    • https://s3.amazonaws.com/fizup/after_we_collided_trailer_3.pdfIn PDF document text
    • https://s3.amazonaws.com/petikamov/88569660690.pdfIn PDF document text
    • http://mibobugaf.rf.gd/how_to_terminate_a_month_to_month_lease_in_georgia.pdfIn PDF document text
    • https://s3.amazonaws.com/ruzaganog/91488852938.pdfIn PDF document text
    • https://s3.amazonaws.com/womirofop/how_to_tell_if_your_furnace_control_board_is_bad.pdfIn PDF document text
    • http://lozepijox.epizy.com/opentx_companion_build_options.pdfIn PDF document text
    • http://nekabet.epizy.com/is_the_shining_mini_series_on_hulu.pdfIn PDF document text
    • http://sosodif.rf.gd/analog_heat_mk2_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/rivazixexuguri/blue_cross_blue_shield_ma_hld_form.pdfIn PDF document text
    • https://s3.amazonaws.com/penefelomiju/lockhart_river_accident_report.pdfIn PDF document text
    • https://s3.amazonaws.com/sitok/begging_meme_template.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f56d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF56D 4804 bytes
SHA-256: b863dd91c3653043e17119d1c1d61712eb45fc3e7ffbe82fe8b2bcd26b8c4e15
font_01_sfnt_off000105e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x105E2 11220 bytes
SHA-256: 6bff2509c1c08af4d499d4b9b3b39dcfe7e6a568418be3ff834ea8a94eda790d
font_02_sfnt_off00012ae7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12AE7 16376 bytes
SHA-256: c3d0ee408bee49a88931d2ac630a9fb52e88a46fabab5a72aa19e78bbe1d3826
font_03_sfnt_off0001408f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1408F 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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