Malicious PDF — malware analysis report

Static analysis result for SHA-256 29d92d53c493f109…

MALICIOUS

PDF

77.1 KB Created: 2021-05-23 18:48:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 0aa8e0086fac4c13abf99cf39d519dbc SHA-1: 482c36de47c8fd06929a1bafd425c4cb1ac4d230 SHA-256: 29d92d53c493f109006f6ccb790f04ba1bd0add129516fb843863979da9bc2f8
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.9997

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://pelibifir.ru/strik?utm_term=dreaming+of+a+dead+child+coming+back+to+life PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4386073/normal_5fcd666f4ffd9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368468/normal_605af88f9a4bd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4482403/normal_5fda6b015ba3c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412768/normal_6013c61c3d00b.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4475376/normal_5ff88c9994e13.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451545/normal_6047ee22205ef.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365546/normal_6023059496ac6.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/bokofapig/what_does_5e_mean_on_a_samsung_washing_machine.pdfIn PDF document text
    • https://s3.amazonaws.com/xapidajovaji/fizubonozexu.pdfIn PDF document text
    • https://s3.amazonaws.com/bagokiko/propaganda_edward_bernays_amazon.pdfIn PDF document text
    • https://s3.amazonaws.com/xipavir/rv_warranty_forever_form.pdfIn PDF document text
    • https://s3.amazonaws.com/minabiwa/45191823401.pdfIn PDF document text
    • https://s3.amazonaws.com/wujodibu/14865146708.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c471d2ca-ecc9-4fc8-ab65-060238a3e4a4/how_to_play_no_rules_fifa_21_online.pdfIn PDF document text
    • https://s3.amazonaws.com/suzixegazunow/belkin_n150_wireless_router_f9k1001v4.pdfIn PDF document text
    • https://s3.amazonaws.com/busutafitufe/fresno_bee_fishing_report_october.pdfIn PDF document text
    • https://s3.amazonaws.com/luborinizu/2807731766.pdfIn PDF document text
    • https://s3.amazonaws.com/sojenozap/how_to_organize_onenote_for_work.pdfIn PDF document text
    • https://s3.amazonaws.com/garorowa/ruzij.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0a395538-5e7e-458e-ae3f-098fdf3a71ef/andrew_loomis_id_love_to_draw.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/3b599e01-6447-439b-9840-65d625388eed/rifomugazajoda.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_off0000f007.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF007 5460 bytes
SHA-256: 67d24287d5a67bb886f6a9b8c01c2a89b2e60f5299a245fdd7c4b76a8e7d773c
font_01_sfnt_off00010275.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10275 11584 bytes
SHA-256: 130fdea57b6b8f8e6f9960b38949e67a629ba35f2fea5fed8ec66a0ccd48c1ae

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