Malicious PDF — malware analysis report

Static analysis result for SHA-256 00ab9c7510a6c78e…

MALICIOUS

PDF

220.9 KB Created: 2021-03-17 03:15:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-30
MD5: 1f8a97f0be25334aff06d79cc13bdc28 SHA-1: 98c7fd4e83e83fc96e8682fe31bdc2b1559f9a6f SHA-256: 00ab9c7510a6c78e18dd22e073fe665130d622d8a5e358eddb3c9ea83a864ef5
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, specifically identified as a phishing trojan. It contains numerous embedded URLs, one of which is directly linked to a potential award lure. The document body, though heavily obfuscated, suggests a connection to search keywords and PDF downloads, indicating a phishing or social engineering attempt to trick users into accessing malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9259

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://druttle.ru/award?keyword=bhagavad+gita+sanskrit+pdf PDF link annotation
    • http://lenulari.mypressonline.com/common_adjectives_in_english.pdfIn PDF document text
    • http://kuvenumine.mygamesonline.org/define_developmental_biology_evolution.pdfIn PDF document text
    • https://cdn.sqhk.co/nogorodizet/x2Ohbia/jisabaduku.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4501356/normal_5fe0558440a18.pdfIn PDF document text
    • http://lebizifijafaxim.medianewsonline.com/58062727741.pdfIn PDF document text
    • https://cdn.sqhk.co/mewobonovagi/iRhdihO/big_baby_tape_gimme_the_loot.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4482403/normal_6032f218e7d15.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4380237/normal_5fee4ab161749.pdfIn PDF document text
    • http://bupro.asia/ritadidolevujijevpe809.pdfIn PDF document text
    • http://productwood.ru/25862291271fubr5.pdfIn PDF document text
    • https://cdn.sqhk.co/melipetoluf/Jhirij3/91316586147.pdfIn PDF document text
    • http://kosonetibekub.medianewsonline.com/vezunesivajijiromo.pdfIn PDF document text
    • http://tejasatobes.medianewsonline.com/beginning_signs_of_rheumatoid_arthritis_in_hands.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4488323/normal_603573e7f1b86.pdfIn PDF document text
    • https://cdn.sqhk.co/gibuburi/hgggFaF/ugandan_president_speech_on_covid_19_war.pdfIn PDF document text
    • http://lixodamevurobar.mygamesonline.org/60285660525.pdfIn PDF document text
    • http://fitokaps.xyz/arthur_c_clarke_books_sinhala_downloadyxwek.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://abbf68a8-5b21-4996-91be-11266bd273ed.filesusr.com/ugd/9374a7_59cb5bbe5db249f5854d409a87e90019.pdf?index=trueIn PDF document text
    • https://a72a44ae-2aae-4d6a-a6c4-235301d0a62e.filesusr.com/ugd/57436b_e923343bfc4b4efd8c3c82d68e2681ae.pdf?index=trueIn PDF document text
    • https://ed4d48c2-14ea-47f5-a89a-b82193587323.filesusr.com/ugd/8ce377_308803efe824483fb060b57dfd913aef.pdf?index=trueIn PDF document text
    • https://bef89f6e-6323-4b84-ad9d-a44490bfcc4f.filesusr.com/ugd/96768c_8eac005e0aa546db83a39d1958585da5.pdf?index=trueIn PDF document text
    • https://680e7e7f-99bb-4309-8a01-ecc910dc7690.filesusr.com/ugd/717a42_d3ab405dd065498cbe108ee7ad184793.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
    • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
    • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00030062.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30062 5444 bytes
SHA-256: 305975abbf03763726c260e8c71a663224475841f50a2687f669472f9bb496e9
font_01_sfnt_off000312ef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x312EF 3740 bytes
SHA-256: 6ce3ed3d0cf168fbf74d6eb321148d5efc31cda11559831b77020f7d4c9f4c8c
font_02_sfnt_off00031e6a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31E6A 15804 bytes
SHA-256: ea6f7f6cfabf87ff0e73815b94d911b034af556c94085d74834c2ad582907c41
font_03_sfnt_off00034cc9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x34CC9 6672 bytes
SHA-256: 701722ebae107d9a91621069a95803084d6bd0edf0251e058be1ecf13e24ab9f

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