Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d2df9b8c7a28dbe…

MALICIOUS

PDF

77.5 KB Created: 2021-03-10 12:06:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 6e64240c303d07722233c59d3c70f65c SHA-1: 9e45c623f912f8607baec921aa5d7a01a12dae38 SHA-256: 5d2df9b8c7a28dbebc5a8833f0e175876a1b27f3fcd852189d0a2627dc758ea3
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-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://nipisod.ru/award?keyword=map+of+continents+and+countries+pdf PDF link annotation
    • http://ridaxaki.mywebcommunity.org/12099127812.pdfIn PDF document text
    • http://wejuzofibab.medianewsonline.com/2017_ktm_duke_390_owners_manual.pdfIn PDF document text
    • http://foodguideblog.com/pigojazec5br4.pdfIn PDF document text
    • http://golixudib.mypressonline.com/can_apple_tv_remote_control_polk_soundbar.pdfIn PDF document text
    • http://tedosuz.iblogger.org/xaraderajuvavovababi.pdfIn PDF document text
    • http://tututot.mygamesonline.org/fender_hot_rod_deluxe_amp_schematic.pdfIn PDF document text
    • http://tesocoin.online/scunci_steamer_troubleshootingf371i.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/wuzalugiseto/123308156.pdfIn PDF document text
    • https://s3.amazonaws.com/fixararololu/zojoregawanivitolokufez.pdfIn PDF document text
    • https://s3.amazonaws.com/fezenur/bryant_plus_80_error_codes.pdfIn PDF document text
    • https://s3.amazonaws.com/lixisariwulo/28573904541.pdfIn PDF document text
    • https://s3.amazonaws.com/sojaxub/39415171034.pdfIn PDF document text
    • https://s3.amazonaws.com/ruzumeb/haccp_iso_22000_fssc_22000.pdfIn PDF document text
    • https://s3.amazonaws.com/xuzakob/82343421042.pdfIn PDF document text
    • https://s3.amazonaws.com/wulagisi/43913677310.pdfIn PDF document text
    • http://kupaxomuwekag.epizy.com/crafting_guide_osrs_free.pdfIn PDF document text
    • https://s3.amazonaws.com/liguwubore/29029950499.pdfIn PDF document text
    • http://xizevobawilu.epizy.com/kifudonudunuzitesujiz.pdfIn PDF document text
    • http://pugamob.rf.gd/54786026038.pdfIn PDF document text
    • https://s3.amazonaws.com/runuzitexokol/english_literature_reader_class_10_question_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/bogijexu/google_ads_fundamentals_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/xubifupi/2gig_go_control_programming_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/dowadotiju/chicago_manual_of_style_negative_numbers.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_off0000e45f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE45F 5004 bytes
SHA-256: 023c872db295a89277b4133d27de8091cbb490afee30dee33a5c3295b27c4bba
font_01_sfnt_off0000f570.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF570 10680 bytes
SHA-256: cbface0d31fb49cbadee5ca345ec1833eb84c43d3610ae321cac20ab13cda9b5
font_02_sfnt_off000119fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x119FA 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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