Malicious PDF — malware analysis report

Static analysis result for SHA-256 35b0e81100be33ce…

MALICIOUS

PDF

104.8 KB Created: 2021-03-28 05:37:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 25da5a061ded4e3863b8f07460291a4d SHA-1: 7b03ccef4cae38d60ff708ebd65daa8738e60e50 SHA-256: 35b0e81100be33ceab01f2ee85fee2594acaec6f6c5f2cea63f9eaf7f479572f
136 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The file is identified as malicious by ML classification and ClamAV, with heuristics indicating it's an advance-fee scam lure. The document body, though truncated, contains keywords related to 'moonology guidebook pdf' and application metadata, suggesting a deceptive document. The primary malicious URL, 'https://resalured.ru/wix?keyword=moonology+guidebook+pdf', is likely used to host or redirect to the fraudulent content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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://resalured.ru/wix?keyword=moonology+guidebook+pdf
    • http://realwockyc.info/rijafuxixesozhve1k.pdf
    • https://cdn.sqhk.co/jarixizotib/dPm08co/vobikiwujali.pdf
    • http://sarkife.site/caller_name_ringtone_apk9j3mh.pdf
    • https://cdn.sqhk.co/vapumojemov/i3OshdC/82463165996.pdf
    • http://talkme-news.info/stick_war_2_unblocked_google_sitesf9d6z.pdf
    • http://lisolu.org/quran_english_and_arabic_mp3f374k.pdf
    • http://xexapitanegis.getenjoyment.net/56217594805.pdf
    • http://takipibimaxubov.sportsontheweb.net/ed_sheeran_castle_on_the_hill_acoustic_chords.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/b7f458a7-64d9-4267-a03e-56d6bfa914ae/tamuzanavinutakijilagomo.pdf
    • https://uploads.strikinglycdn.com/files/59319172-9bc0-4a97-8065-75d40fc1623d/wezobebak.pdf
    • https://s3.amazonaws.com/mukut/871627746.pdf
    • https://uploads.strikinglycdn.com/files/d99d7353-c168-4d0b-bbbf-6df47bc12894/udacity_data_analyst_course_free.pdf
    • https://s3.amazonaws.com/makixibawumebol/muwoxexeko.pdf
    • https://uploads.strikinglycdn.com/files/e661b5d4-28ca-4320-91d4-4291f0599584/harga_lavender_young_living_5ml.pdf
    • https://uploads.strikinglycdn.com/files/8b019f4b-91d4-4579-8091-440372fa4d52/vinisasikawowiwumabab.pdf
    • https://s3.amazonaws.com/bibejovixapis/html_to_php_using_header.pdf
    • https://uploads.strikinglycdn.com/files/b563f293-4de6-40a9-ab0c-f849e41b4277/fatexomora.pdf
    • https://s3.amazonaws.com/pezofut/dabopu.pdf
    • https://uploads.strikinglycdn.com/files/839bb391-52ae-4750-971c-584558fd4a23/61465275668.pdf
    • https://uploads.strikinglycdn.com/files/b3593f7d-f22c-491e-b2a8-c98d5765cd39/wagiruxeda.pdf
    • https://uploads.strikinglycdn.com/files/2c30a15c-1c40-4d81-a5a3-5bef1ada2610/how_to_draw_a_face_easy_boy.pdf
    • https://uploads.strikinglycdn.com/files/303b7cde-37f2-49d9-b072-f49135d0b914/jubijes.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
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00012fd8.bin
8f2eebbbdd63b7539dacd7a59595228867427446aeec2673c1b7258168e2a679		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12FD8 5036 bytes
font_01_sfnt_off00014121.bin
7b29bfd8643b2c2fb0bf47e250b50261cf99e5f88ad3e6aef54d7863bd83e370		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14121 7636 bytes
font_02_sfnt_off0001567a.bin
abfa2b886d4bc036147e604779d79c37bb87795b2809c94b9affd6f2699b964e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1567A 12588 bytes
font_03_sfnt_off000180b7.bin
354dce64f07f3d7acdf6a04edf763950ffbfec4edcbb4bfe17b65a83544077bb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x180B7 16036 bytes

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