Malicious PDF — malware analysis report

Static analysis result for SHA-256 1425816840017f9e…

MALICIOUS

PDF

1.40 MB Created: 2021-03-23 01:40:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-02
MD5: 487d61d5dcb7c9b51cd7deee742561c8 SHA-1: 14c62a76c27574b5c1538db10820e14807712cd4 SHA-256: 1425816840017f9ee9f431617509b842e6bfb1351a1fe3be7c49aafa8be50528
104 Risk Score

Malware Insights

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

The PDF file contains an embedded URI pointing to a suspicious domain, and ClamAV detected it as a phishing trojan. The heuristic for urgency lures suggests a phishing pretext. Although no scripts were explicitly extracted, the PDF format can embed JavaScript, and the presence of external URLs indicates an attempt to redirect the user to malicious content, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5072

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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/wix?keyword=rotmg+rogue+rushing+guide PDF link annotation
    • https://cdn.sqhk.co/zoxogatuv/hjiagdn/vojukolubisepidekoposax.pdfIn PDF document text
    • https://nudojafobedem.weebly.com/uploads/1/3/1/3/131379550/fewegetanevekofedixo.pdfIn PDF document text
    • https://wetogukonitama.weebly.com/uploads/1/3/3/9/133997956/xolikoso.pdfIn PDF document text
    • https://cdn.sqhk.co/kivipemo/uhaPgjX/fire_alarm_testing_report_format.pdfIn PDF document text
    • https://woraragupawajup.weebly.com/uploads/1/3/2/6/132681931/gavofovetaj.pdfIn PDF document text
    • https://cdn.sqhk.co/godezixibufo/YC4ZLhi/tik_tok_sad_background_music_ringtone_download.pdfIn PDF document text
    • https://cdn.sqhk.co/vujagefamig/gjicIjd/simple_origami_flower_template.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://1ce8651a-bfbb-4b9a-b1bf-24b3b574775a.filesusr.com/ugd/ac72e0_86702f2b1ad94d7f9cc655911e47101e.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/4d741238-743c-43e6-806c-72fda66f7224/husky_60_gallon_air_compressor_parts.pdfIn PDF document text
    • https://s3.amazonaws.com/wewiro/beamng_drive_apk_android_oyun_club.pdfIn PDF document text
    • https://3f5765b5-411c-4b28-96d1-a1e3b219bcee.filesusr.com/ugd/ca847e_0a7119bfc58c4cb08fe07beff35e38ca.pdf?index=trueIn PDF document text
    • https://297de083-771a-4730-a3b8-a2afe8c7d209.filesusr.com/ugd/47424f_8a40468439d947b19210f098cdce6c96.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/xufoxorog/77687694326.pdfIn PDF document text
    • https://58fabbca-0322-4868-a582-948aa19840f9.filesusr.com/ugd/93748c_633f240590ad44e793f903cd3226db40.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/7da77b3b-c4d7-40a8-9f8c-ce7c8dc378bf/16149257662.pdfIn PDF document text
    • https://88966db1-4a83-4446-b941-f65022a6235f.filesusr.com/ugd/928e0f_c6286163e30d4df78bdc48e0aee04ec6.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/tafogusegabomu/kuxiragofozodizizogavepa.pdfIn PDF document text
    • https://59e5a08b-0d8d-455f-a3a7-35a3b781ab3e.filesusr.com/ugd/784815_74725c69c88e4b09a9042f626a22eb3f.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/5aa89bcc-e4e5-49cd-8aec-004ff5e878c5/oraciones_en_ingles_con_verbos_regulares_e_irregulares_en_pasado_simple.pdfIn PDF document text
    • https://5c817321-7c0c-448b-959d-deb1da9fd788.filesusr.com/ugd/19103d_3d00d568bfc74d5c98db35c52d88d15a.pdf?index=trueIn 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_off00162796.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x162796 5004 bytes
SHA-256: e2e89bd84a86e9a691120c0799731a7e0ebfafc362772414d094edbc9ececb50
font_01_sfnt_off00163880.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x163880 10756 bytes
SHA-256: ce67645c98f8be9ddf0bdcd49fea02037853cbed2973b27b6b131aa531981b2d

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