Malicious PDF — malware analysis report

Static analysis result for SHA-256 d64988750ec7d275…

MALICIOUS

PDF

83.4 KB Created: 2021-03-15 20:02:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 47587aa9981d324f6680749927e32656 SHA-1: 737d3fb0234d837c216bf386c8391dc0c1ee38c7 SHA-256: d64988750ec7d2750ce31bcda932f60410266159eb243b09dfab5a965254b752
136 Risk Score

Malware Insights

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

This PDF document was flagged by a machine learning classifier and ClamAV as malicious. It contains an embedded URL that likely leads to a phishing or malware distribution site, consistent with an advance-fee scam lure. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest it is designed to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://jottigo.ru/wix?keyword=vtech+smart+shots+sports+center+target
    • http://xubajur.mygamesonline.org/how_to_connect_my_fitbit_versa_lite_to_my_phone.pdf
    • http://ruwemipuwev.mypressonline.com/xusiresid.pdf
    • http://jubigale.scienceontheweb.net/tefukis.pdf
    • https://cdn-cms.f-static.net/uploads/4460463/normal_601b02a7d08fe.pdf
    • https://cdn-cms.f-static.net/uploads/4486550/normal_6046ce8af0481.pdf
    • https://bevazemirif.weebly.com/uploads/1/3/4/8/134873662/wurak.pdf
    • https://cdn-cms.f-static.net/uploads/4404757/normal_5feaf0789a245.pdf
    • https://cdn.sqhk.co/woravejafeto/EPhihaO/among_us_how_to_play_on_mac.pdf
    • http://sowoxapexemex.sportsontheweb.net/ms_excel_assignments_for_practice.pdf
    • https://sepetumeba.weebly.com/uploads/1/3/4/6/134601334/5467780.pdf
    • https://kiwerulokakawe.weebly.com/uploads/1/3/4/5/134509827/3276890.pdf
    • https://static.s123-cdn-static.com/uploads/4368481/normal_5fe32c76417d7.pdf
    • http://deladinabixek.sportsontheweb.net/red_dapple_dachshund.pdf
    • https://kasewipiliri.weebly.com/uploads/1/3/4/9/134901701/fuzujanisuzano-xelapuzuru-baridu-welinipetuwikak.pdf
    • http://fumatiw.mypressonline.com/10304318261.pdf
    • https://pubabugolutaj.weebly.com/uploads/1/3/2/6/132680974/9693050.pdf
    • http://zazorin.scienceontheweb.net/nawadigamatepugajosax.pdf
    • https://ruxebawinafa.weebly.com/uploads/1/3/0/7/130776533/1502302.pdf
    • https://cdn.sqhk.co/gexopoku/jh0ibzU/nail_to_a_cross_meaning_in_tamil.pdf
    • https://pelabinal.weebly.com/uploads/1/3/1/3/131379552/6449164.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • http://dufojamimusim.atwebpages.com/pride_and_prejudice_movie_free_download_mp4.pdf
    • http://tiluxusimutine.atwebpages.com/what_size_tires_does_a_2009_chevy_malibu_have.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fa04.bin
e14818545491837219eb4b8ed05e36c103324deb03da679a01330bfb8a11dc14		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFA04 5020 bytes
font_01_sfnt_off00010ae0.bin
fbcb3e1429f11e8ae5d92c35010657951586ae0da4cbfb3ac385a34a31b432c9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10AE0 11496 bytes
font_02_sfnt_off0001321e.bin
ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1321E 4324 bytes

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