Malicious PDF — malware analysis report

Static analysis result for SHA-256 dad51b600601decb…

MALICIOUS

PDF

147.0 KB Created: 2021-03-11 07:13:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6112e514e8c0f034e0bbac080e39cae8 SHA-1: 94463593522f459a537e9e795bd3ba9d2bfa8c73 SHA-256: dad51b600601decb41110107a0442cefa790db491a1b29d361c01853dad2f0de
144 Risk Score

Malware Insights

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

The file is a PDF document flagged by ML classifiers and ClamAV as malicious. Heuristics indicate it uses urgency and advance-fee scam lures, common in phishing and fraud schemes. An external URI points to 'https://maypoin.ru/award?keyword=articles+of+association+zambia+pdf', suggesting a potential phishing or malware distribution endpoint.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 6

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://maypoin.ru/award?keyword=articles+of+association+zambia+pdf
    • http://wigobike.sportsontheweb.net/pearson_pre_calculus_12.pdf
    • https://cdn.sqhk.co/jujobomo/Tvwjzhc/cosmic_strike_space_shooter_retro_arcade_2019_download.pdf
    • http://flylovel.com/clumsy_ninja_story_endingxi4mh.pdf
    • https://cdn.sqhk.co/tevotapomow/QpjivWO/zalunevumavumoto.pdf
    • https://cdn-cms.f-static.net/uploads/4368975/normal_602318f5f144c.pdf
    • https://static.s123-cdn-static.com/uploads/4456116/normal_5fc8575a22eef.pdf
    • http://edalovert.xyz/what_is_the_saying_the_birds_and_the_beesdteuw.pdf
    • http://blekrossi.ru/data_structures_and_algorithms_using_python_bookqbxj1.pdf
    • http://proita.space/kogorikijrskt.pdf
    • http://swast-group.website/phonetics_and_phonology_test_with_ankenhw.pdf
    • http://frut-tree.site/zefaximisigisasuzst66d.pdf
    • https://cdn-cms.f-static.net/uploads/4491725/normal_602d887ce91ee.pdf
    • http://leomannapov.com/half_blood_prince_ch_278s73z.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • http://zipulosi.atwebpages.com/what_does_a_manometer_measure.pdf
    • http://kubowulurarekij.myartsonline.com/rising_of_the_shield_hero_where_does_the_anime_end.pdf
    • https://79d86aa2-23c4-4aa0-a0dc-c16ac59ae55d.filesusr.com/ugd/ecb701_98c0ea9fb24f4b228ba5e0710e14f310.pdf?index=true
    • https://80f75f89-a1e3-4611-a0ef-7a704eb82da9.filesusr.com/ugd/0286dd_6d23e9da131f4d73a40ead25be3efc50.pdf?index=true
    • https://f7690f66-1871-4559-97e0-239dee5b15da.filesusr.com/ugd/d2cc1f_f301c5f21fc44338b3e5e24a3f53a199.pdf?index=true
    • https://e05653fc-386e-4c8b-889d-738aee72c63e.filesusr.com/ugd/62421a_7182b4b3ccde458aa7adec40791d110c.pdf?index=true
    • http://tuminexozuvino.atwebpages.com/used_progressive_reloading_press_for_sale.pdf
    • https://3bcdeb60-9876-4d14-bc0a-1dd1632c647c.filesusr.com/ugd/16a96a_0b0093fe1e9242c8aaaeee8caab509ee.pdf?index=true
    • 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001f9bb.bin
763041cf28c252c1b2d9c4bf42f88ff8faab369d07bbd0aa4ce3471bb5f8b78d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1F9BB 5268 bytes
font_01_sfnt_off00020b80.bin
710d3f080a85ea91e245f195d3757ca486b4d8369f55a7270dd64eec9180f772		 pdf-font-stream PDF embedded font (sfnt) at offset 0x20B80 10208 bytes
font_02_sfnt_off00022e6b.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x22E6B 4324 bytes

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