Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d1a9f59bd632655…

MALICIOUS

PDF

77.4 KB Created: 2021-03-16 22:40:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-30
MD5: c16fdeccb0bbbdac80279918b5ddd40d SHA-1: ee1f2f2f7d0f6f3856acf9a789a9fc60899bbb65 SHA-256: 6d1a9f59bd632655443c8818b989539acc157ca64c1acc51fabebc6b237aa41d
96 Risk Score

Malware Insights

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

The file is a PDF that contains an embedded URL, likely intended to trick users into downloading a malicious payload. The document body references 'Pokemon go actualizacion apk mirror', suggesting a phishing lure related to a game update. The presence of multiple suspicious URLs and a high ML classifier score indicate malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://ponafet.ru/wix?keyword=pokemon+go+actualizacion+apk+mirror PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4369317/normal_603d7f4d67394.pdfIn PDF document text
    • http://acupofjacob.com/fabufabelejaviav8bc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451217/normal_601f58ece45f5.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4393345/normal_5ffa3c427bde6.pdfIn PDF document text
    • https://cdn.sqhk.co/wuzosiboweja/38jfnBP/sweet_baby_dream_house_games.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385228/normal_5fd356b403bed.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393209/normal_6025f30daaf07.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4372707/normal_5ffcf52084bd1.pdfIn PDF document text
    • http://hangookoil.ru/parusuguseginepujapuvux4cgs.pdfIn PDF document text
    • http://tradebot.space/86548440593ue3ge.pdfIn PDF document text
    • https://cdn.sqhk.co/zibomevuguli/tgcig2Y/38021106432.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4450430/normal_602984e13fad6.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366367/normal_6000bbe6c35b9.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4477386/normal_600930540cfd0.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/fajujiju/43102728451.pdfIn PDF document text
    • https://s3.amazonaws.com/kewuxejikiwe/pikujejomixowitow.pdfIn PDF document text
    • https://s3.amazonaws.com/luxaduzimase/96049814058.pdfIn PDF document text
    • https://s3.amazonaws.com/wefadep/robin_hood_2010_music_soundtrack.pdfIn PDF document text
    • https://s3.amazonaws.com/jewizopukuni/kenmore_elite_front_load_dryer_thermal_fuse_location.pdfIn PDF document text
    • https://s3.amazonaws.com/nonipesikiri/sijawuw.pdfIn PDF document text
    • https://s3.amazonaws.com/lolijexejomak/apia_car_insurance_claim_form.pdfIn PDF document text
    • https://s3.amazonaws.com/nuxomigo/nanemikipasipososexuti.pdfIn 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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ed5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED5A 5188 bytes
SHA-256: 4448d803c10e613580da3725da7a8a12becc6d65bb6225ef9269e559114de888
font_01_sfnt_off0000ff00.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF00 12176 bytes
SHA-256: 73b4ac1d353b51f68127a678a8a2b778625d4960252e60362727d753b042b51f

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