Malicious PDF — malware analysis report

Static analysis result for SHA-256 f45200676de3a4fc…

MALICIOUS

PDF

90.3 KB Created: 2021-04-08 01:18:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 725ceee028aa727362f8cda3e4d837d0 SHA-1: bd8a914a74ce70fdf00d0a8529f5328a6014ee93 SHA-256: f45200676de3a4fcd4b49c4434183b9ecd7f64aabc3cc8e4caf2244a402b392f
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document body contains text that appears to be a lure, directing the user to the URL 'https://soxebez.ru/wix?keyword=read+surah+yasin+online'. This URL is likely used for phishing or to serve further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://soxebez.ru/wix?keyword=read+surah+yasin+online
    • https://zadevadetolilug.weebly.com/uploads/1/3/5/3/135321342/7257830.pdf
    • https://zudovizu.weebly.com/uploads/1/3/4/3/134338339/7304295.pdf
    • http://lamisorosasam.mywebcommunity.org/alphabet_militaire_otan.pdf
    • https://ritibamubube.weebly.com/uploads/1/3/1/4/131437410/jazodute.pdf
    • https://cdn-cms.f-static.net/uploads/4463298/normal_603d984893fdf.pdf
    • http://wimudevereru.sportsontheweb.net/21028938781.pdf
    • http://free-at.pro/maya_angelou_facts_about_her_poemsnpgi4.pdf
    • https://naxedomabaxa.weebly.com/uploads/1/3/1/6/131606472/puxitivejuvo_buwarali_xiguri_sovexudizik.pdf
    • http://ladebizelase.scienceontheweb.net/neoliberalism_in_africa.pdf
    • http://cleanup-sale.site/samsung_grand_prime_plus_price_in_pakistan_grgl7am.pdf
    • https://cdn-cms.f-static.net/uploads/4413122/normal_606204ca1abaf.pdf
    • http://zesamoa.online/is_codependency_ever_a_good_thing1701h.pdf
    • https://veximukexapi.weebly.com/uploads/1/3/0/9/130969798/nokazakimum_puzusir_digipi.pdf
    • http://save50it.pro/6398233860053gif.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://fatodonuvebenim.rf.gd/old_testament_bible_study_lessons.pdf
    • http://wasuwenakab.epizy.com/stop_kiss_monologue.pdf
    • http://gigonusotomofi.rf.gd/birthday_cake_photo_editor.pdf
    • https://s3.amazonaws.com/patotale/87888618002.pdf
    • https://s3.amazonaws.com/tapelu/bleacher_report_live_stream_tiger_vs_phil.pdf
    • http://juvokumepi.rf.gd/sazepixugitetoxuxabe.pdf
    • https://s3.amazonaws.com/dojivewobasuval/kevibojuvopot.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000123d1.bin
6a11c1071c2e034bbe9a757d6bf507a3aef7436a4dedd6e75b11c71f4c5eb760		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x123D1 30708 bytes
font_00_sfnt_off0000f154.bin
9d89f7908cb2ab86d2d7b6c0f70183cc2c221acc2b39fe049569f898d6002478		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF154 5020 bytes
font_01_sfnt_off00010267.bin
b6a4e8240d42476cae66047d9c59297bde167ba1e8c9fb292481e0c00ecdedb7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10267 9716 bytes

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