Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6a0875d6b48bcc4…

MALICIOUS

PDF

85.5 KB Created: 2021-03-27 09:46:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: f509f8e7ea54adec8e8198b171432c4c SHA-1: c4067d30253ce84a3cede5b661d8a2c7a41d4dbe SHA-256: d6a0875d6b48bcc4fcf322675ed4e9e4da7f4dd6ae4bae93ecd7ce943b1ba46b
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 0.9990

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://dugedepap.ru/123?utm_term=alpe+d%2527+huez+snow+report+december PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4447912/normal_6037deb23f1fc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4477649/normal_6037cbe494e05.pdfIn PDF document text
    • https://naxabofufakuwo.weebly.com/uploads/1/3/4/3/134330868/nosugadoded.pdfIn PDF document text
    • https://pasorizafam.weebly.com/uploads/1/3/4/0/134096756/173374ad35961.pdfIn PDF document text
    • https://dawanuma.weebly.com/uploads/1/3/4/3/134305997/tonofusoxewi.pdfIn PDF document text
    • http://idealica-italy.site/rf_online_acc_spec_ammo_guideb9gqc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4486550/normal_5fc5cce9c567f.pdfIn PDF document text
    • http://dororuminaxa.mywebcommunity.org/gigojenilasenad.pdfIn PDF document text
    • https://lirodenagegoket.weebly.com/uploads/1/3/1/4/131437677/b14fd27e58.pdfIn PDF document text
    • http://mobufuwiwid.medianewsonline.com/how_to_change_radio_station.pdfIn PDF document text
    • http://kinatoguvekajux.22web.org/hvad_er_demokrati_hal_koch.pdfIn PDF document text
    • https://konupalak.weebly.com/uploads/1/3/5/3/135315701/dituziruwe.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416327/normal_6012ab6567608.pdfIn PDF document text
    • http://copyright-supporthelp.com/wozofedimopudukyzxz.pdfIn PDF document text
    • http://suvonenexazu.mywebcommunity.org/75556847984.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/begijufadi/82446168745.pdfIn PDF document text
    • http://xesunuz.epizy.com/law_of_sines_ambiguous_case_kuta_software.pdfIn PDF document text
    • https://s3.amazonaws.com/banula/safety_1st_easy_read_forehead_thermometer_user_manual.pdfIn PDF document text
    • http://dexadusoxeb.atwebpages.com/asnt_level_3_ut_study_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/zoxewudunigus/81062153009.pdfIn PDF document text
    • https://s3.amazonaws.com/gidibesuxi/12319677438.pdfIn PDF document text
    • https://s3.amazonaws.com/muwemivumazulax/42948114644.pdfIn PDF document text
    • http://palakojum.rf.gd/fitted_sheet_nghia_la_gi.pdfIn PDF document text
    • http://sawamujimas.epizy.com/porque_el_autor_de_la_obra_lazarillo_de_tormes_es_anonimos.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_off0001019f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1019F 5244 bytes
SHA-256: 1df26b516d77098388c8c8508f52e4241202ec890bb7220552cb5b4581946ea4
font_01_sfnt_off00011362.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11362 11836 bytes
SHA-256: 94b71432f66d2035aef401cd637568e2bd291037990555e4ee83e77ac2ff4600
font_02_sfnt_off000139fe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x139FE 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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