Malicious PDF — malware analysis report

Static analysis result for SHA-256 62bd1c92f2af6a7b…

MALICIOUS

PDF

75.7 KB Created: 2021-04-04 20:02:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-16
MD5: 9e92a5f97ffc26a7638aa6a89a161d93 SHA-1: baf7d4603b781df49c90a6be5f88f841412d8405 SHA-256: 62bd1c92f2af6a7bcca242a45112074dcc0c2f50e9495f030b8ce20965cc5337
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that directs users to a website disguised as information about using a GE convection oven. This URL is likely intended to host a malicious payload or phishing content. The ML classifier and ClamAV detection strongly indicate malicious intent, and the PDF_URI heuristic confirms the presence of an external link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://xezojetit.ru/aws?utm_term=how+to+use+a+ge+convection+oven PDF link annotation
    • http://digitalmicroteter.xyz/kitchenaid_7_cup_food_processor_plus_reviewsdwlp3.pdfIn PDF document text
    • https://cdn.sqhk.co/zibojaje/DiEh0he/draconic_sorcerer_guide.pdfIn PDF document text
    • http://erkutungotu.com/psicodiagnostico_clinico_del_nio_4ta_edicionbj2ky.pdfIn PDF document text
    • http://maturibcgj.space/what_is_all_the_bright_places_movie_about7kkii.pdfIn PDF document text
    • http://kolomata.ru/serta_motion_perfect_adjustable_base_manualu99r6.pdfIn PDF document text
    • https://cdn.sqhk.co/bajipugotox/jdwJiaZ/space_combat_simulator.pdfIn PDF document text
    • http://stroymarketmetal.ru/rawexekafatominoxopeb6fod.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/68679379-917d-49ab-9704-a7076eafa606/tudolajewelaxoxif.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/575d4abc-b2c8-4e48-b03f-bcb744e06bab/77085780681.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c223e338-80a2-4480-9c9d-96aa2be91839/4879342561.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a22968c8-f6c9-4f5b-813a-da6a7b805d32/wuferigaxu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cc8c80b2-a1ff-4bea-ae4f-563ec934ebdf/line_6_spider_iv_30_guitar_amplifier.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2ec76040-e745-4e78-8dfc-d135b42e34c0/what_are_the_5_levels_of_the_caste_system.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/967abd42-89c1-4ed3-bee4-f21661f1a5fb/25717591336.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/835cc7e9-9fdc-44db-81e6-6e46d0bcff9e/can_i_check_my_covid_test_results_online.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/110b9f2a-7133-4d77-9cca-f0b561f84cf3/kokisekobexefamufovu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0156954c-be7c-482b-86d4-5d27b7e929f7/how_much_does_starbucks_pay_in_california.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e7d42948-4272-4f67-af6d-dad7568e857b/zenadekumogog.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4b1e76de-a7ba-433d-b85d-526137538246/64836225494.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b882d118-b019-4a1d-bbb5-4d022ccd0014/bezazerepogi.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ec15.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC15 4952 bytes
SHA-256: 9ebdeb2faceab62da0f7531868feaf2f142ca08ce31ed7a6da11c1f0f5bc45b0
font_01_sfnt_off0000fd24.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD24 10604 bytes
SHA-256: b79c48f758cd26f8fa9fe236d3c80277c5c09527db70d1072296734caa1fcfac

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