Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e432f8ead8f03cd…

MALICIOUS

PDF

116.9 KB Created: 2021-03-28 17:17:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: d7fd0a858f179b7afd3eb08ae8823913 SHA-1: 95a3333087d7cd279a4be1dbc9ece902157c2683 SHA-256: 2e432f8ead8f03cd4fa3615c0d55ba9591d26886a8be9687e0d40a8806823416
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 0.9984

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/award?keyword=employee+to+employer+termination+letter+sample+pdf PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4391925/normal_5fc7d3a63add1.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4477181/normal_5fc95130ad07c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4482002/normal_5fd70b9b9ab5a.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4382771/normal_60037e28999de.pdfIn PDF document text
    • http://qrastenmap.online/understandable_statistics_10th_edition_solutions_manual1q2wu.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4501229/normal_5fcba023d5dfb.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4462726/normal_600bfb8b90343.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4485807/normal_60601e2ede613.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4377120/normal_604b845bd5a36.pdfIn PDF document text
    • http://e-sparks.ru/how_to_summoning_jutsu82qf4.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4448733/normal_60079c9b224d5.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/45afc51d-508e-4aff-8b77-28c848e150a8/resistance_band_workouts_strength.pdfIn PDF document text
    • https://s3.amazonaws.com/xupimaral/72293644400.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2a514ad3-32a9-45f0-ba6f-112579eb6623/puxovitex.pdfIn PDF document text
    • https://s3.amazonaws.com/lopeteb/66145653618.pdfIn PDF document text
    • https://s3.amazonaws.com/nafibanefexex/andrew_sendejo_injury_report.pdfIn PDF document text
    • https://s3.amazonaws.com/jupudizadid/honda_rebel_300_review_2017.pdfIn PDF document text
    • https://s3.amazonaws.com/nuxomigo/take_five_song_commercial.pdfIn PDF document text
    • https://s3.amazonaws.com/xapota/circuit_maker_2000_pro.pdfIn PDF document text
    • https://s3.amazonaws.com/zabevog/century_battery_charger_manual_87151.pdfIn PDF document text
    • https://s3.amazonaws.com/mukut/juferorogufu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/02eca705-d780-4c28-9520-00fcb01a0feb/warrens_bible_study_methods.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/da1e8e23-c974-4e86-9478-2e56554c50c9/zexazalewu.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
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn 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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00015d56.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15D56 6744 bytes
SHA-256: 0eac1552a6a0cc8d6d43e14f5c157d052ff2bf21460314f67a2c213e0a454e63
font_01_sfnt_off00016e3d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16E3D 5244 bytes
SHA-256: 473c9986806b63faec65a6b06c1b91a54de5acdea92ded02b627f62902bcbf85
font_02_sfnt_off00017ffb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17FFB 1648 bytes
SHA-256: 4a8ebde5e94bd7e49bcaf164f77963ab18066d5334cf8871f4ac3f3f313d9c8a
font_03_sfnt_off0001883e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1883E 11456 bytes
SHA-256: 1f8faee5d85e922cff3cb4746aa6492ebc1fcf7bd156dba2058e330d435fc2c2
font_04_sfnt_off0001af4e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1AF4E 16140 bytes
SHA-256: 159427b32ed66bfbde86def5e6c2992bde67dfb25400c4000a37c9b59b949b61