Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c110c970785d629…

MALICIOUS

PDF

78.1 KB Created: 2021-03-14 08:13:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c8f646230eabcaf6feea861113b90830 SHA-1: eeac71551e00060deda2c05b70d4291d6108f64d SHA-256: 9c110c970785d62946c0e878ee0ecc1487896c73b2adbef4759ec66e9fafcfce
96 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The embedded URL, disguised as a search result, is a common phishing tactic to redirect users to malicious sites. No scripts were extracted, but the PDF structure and embedded URLs strongly suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://seumenha.ru/wix?keyword=stick+run+hack+2019
    • http://tejowigasinafu.getenjoyment.net/ver_pelicula_doa_barbara_con_maria_felix.pdf
    • http://mibemuxagegija.mywebcommunity.org/dictionary_of_political_science.pdf
    • http://wozilimesiz.mypressonline.com/jadefigelajafewi.pdf
    • http://jerimujolegem.medianewsonline.com/24191263399.pdf
    • https://cdn-cms.f-static.net/uploads/4373782/normal_6016005d52a7e.pdf
    • https://static.s123-cdn-static.com/uploads/4471464/normal_5fff6ea87041c.pdf
    • http://bagerisevi.scienceontheweb.net/xupejevubusonasuw.pdf
    • https://cdn-cms.f-static.net/uploads/4493602/normal_602af74f1b949.pdf
    • http://jidapuxedepu.medianewsonline.com/80074516993.pdf
    • http://nafarami.medianewsonline.com/tapolejapetix.pdf
    • http://bukuminuwakub.mypressonline.com/65056039446.pdf
    • http://tuwukadinem.mygamesonline.org/tipagutepibamoburinubik.pdf
    • http://borejukeluteva.mygamesonline.org/tekiji.pdf
    • http://rexonina.medianewsonline.com/do_androids_dream_of_electric_sheep_chapter_10_summary.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://pekudus.rf.gd/tawemuwuvitupa.pdf
    • https://s3.amazonaws.com/leteraxewe/close_up_b1_test_unit_2_worksheets.pdf
    • http://tavoxelelenasi.onlinewebshop.net/introduction_to_american_deaf_culture_chapter_10.pdf
    • https://s3.amazonaws.com/kavugusepe/wrmbildkamera_seek_thermal_compact_pro_android.pdf
    • https://s3.amazonaws.com/gonafoziguwewe/3735240336.pdf
    • http://wovodijulenape.onlinewebshop.net/34386722296.pdf
    • http://vavilonogamet.epizy.com/custard_apple_leaf_information.pdf
    • http://diwuvugu.epizy.com/tafuloxesomemefa.pdf
    • http://vololotiwu.rf.gd/what_is_the_relationship_between_art_and_commerce.pdf
    • https://s3.amazonaws.com/tobaziw/googly_audio_songs_kannada.pdf
    • http://jilovin.epizy.com/99362940653.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://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f1a9.bin
960483aceea8c7401981dfff715dd29d40b30ac76c189ff431e6c667c2cf8a48		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF1A9 5324 bytes
font_01_sfnt_off000103c7.bin
a1b587d664a16eb9d5be73994330276a2b3056d33762b4dfe0bbfd67cfa48444		 pdf-font-stream PDF embedded font (sfnt) at offset 0x103C7 11632 bytes

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