Malicious PDF — malware analysis report

Static analysis result for SHA-256 80e1e3cf4da8b7ff…

MALICIOUS

PDF

76.8 KB Created: 2021-02-24 03:57:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 0899f977b97e2bb6f3109af7e97b747c SHA-1: 40ac8c0f08beb096e8966de5ca4540a6c68867b0 SHA-256: 80e1e3cf4da8b7ffa4d75bced1cd05aab9ccfdc9693c3690a648af31c9d4435b
96 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URL pointing to a suspicious domain, which is a common tactic for phishing or distributing further malicious content. The presence of PDF_URI and EMBEDDED_URL heuristics confirms the attempt to direct users to external resources.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://leonvi.ru/wix?keyword=absentee+shawnee+tribe+clothing+balance PDF link annotation
    • https://cdn.sqhk.co/feripamapuv/Ygfhh6V/fuvulig.pdfIn PDF document text
    • https://cdn.sqhk.co/kafexobesa/hiajQBK/logo_quiz_answers_level_34_jio_phone.pdfIn PDF document text
    • https://cdn.sqhk.co/tivinarafuvu/arggGhi/bluetooth_speaker_walmart_for_car.pdfIn PDF document text
    • https://cdn.sqhk.co/kupulifip/hh8idjh/mirituforiwuxabowixujofo.pdfIn PDF document text
    • https://cdn.sqhk.co/fonizijodi/idFQhb4/zaduviwatapikiwunowiz.pdfIn PDF document text
    • https://cdn.sqhk.co/lawipavoso/ggfjfSG/77495160877.pdfIn PDF document text
    • https://cdn.sqhk.co/nikazurokuv/jGEKiGS/66021899877.pdfIn PDF document text
    • https://cdn.sqhk.co/kopilixa/ifz25jg/55662857919.pdfIn PDF document text
    • https://cdn.sqhk.co/zugeketinog/jiggjef/zombie_2_game_zombie_2.pdfIn PDF document text
    • https://cdn.sqhk.co/sunomedude/7Gggbjc/redbubble_free_shipping_code.pdfIn PDF document text
    • https://cdn.sqhk.co/sujubowip/iTigggv/4x4_off_road_rally_7_mod_money.pdfIn PDF document text
    • https://cdn.sqhk.co/gobumavurob/ujaHCOV/smartsheet_training_center.pdfIn PDF document text
    • https://cdn.sqhk.co/potiribuwuf/ibiabje/virus_warzen_hand.pdfIn PDF document text
    • https://cdn.sqhk.co/jumifokujuje/MicQyjf/bingo_caller_software_free.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
    • https://s3.amazonaws.com/kizugokofo/atwood_lake_fishing_report_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/tobito/craftsman_circular_saw.pdfIn PDF document text
    • https://s3.amazonaws.com/gateme/10486938360.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_off0000e42e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE42E 5068 bytes
SHA-256: e351b6aba04afef5100b58ea9a51a236678b7b0c259585580b39a2fc6a52885f
font_01_sfnt_off0000f566.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF566 10148 bytes
SHA-256: 424b01577b96b47b9c5ff814d256031dcb1df46438214b45125af561e2d3893e
font_02_sfnt_off00011824.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11824 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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