Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7049f597f627f6e…

MALICIOUS

PDF

93.1 KB Created: 2021-04-01 08:56:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-10
MD5: b4ab39cc7b0269746233785d2837100f SHA-1: abe06cf24b5a0cd9fc5cc124227fd1ff6ec17b98 SHA-256: e7049f597f627f6e25d5be644b9b628e86134fabb8dc9c7fea827876ce19ef0a
96 Risk Score

Malware Insights

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

The file is a PDF that contains an embedded URI pointing to a suspicious domain, identified as malicious by ClamAV and ML classifiers. The document body, though heavily obfuscated, appears to be related to the URL's keyword, suggesting a phishing or malware distribution lure. The presence of external URIs indicates an attempt to redirect the user to a malicious site, likely for credential harvesting or further payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://fokemale.ru/award?keyword=antioxidant+activity+of+turmeric+pdf PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4505837/normal_602621f9823f6.pdfIn PDF document text
    • http://idealicaitalia-official.site/9260215256889zdz.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4371023/normal_5fc5afadc2d33.pdfIn PDF document text
    • http://surozofawowidom.scienceontheweb.net/lonuwadomezogobada.pdfIn PDF document text
    • http://wordwild-store.com/speed_queen_repairs_johannesburgn9y33.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4444850/normal_604bbbdbc5bd4.pdfIn PDF document text
    • http://zosuwalerikare.getenjoyment.net/45094987468.pdfIn PDF document text
    • http://xufededubumavif.scienceontheweb.net/83562604069.pdfIn PDF document text
    • http://sokixatov.mywebcommunity.org/19931497185.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382613/normal_6014a4cb777c3.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369174/normal_5ff766d11f7fa.pdfIn PDF document text
    • http://tagepalalog.iblogger.org/what_is_it_called_when_sun_rays_come_through_clouds.pdfIn PDF document text
    • http://rcasino.info/dijujomed8g9hk.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/subopukomanaw/ge_profile_microwave_convection_oven_not_heating.pdfIn PDF document text
    • https://s3.amazonaws.com/mojivikapeti/answering_the_call_to_serve.pdfIn PDF document text
    • https://s3.amazonaws.com/wulagisi/67060861340.pdfIn PDF document text
    • http://zaniwemikadas.rf.gd/jimozazo.pdfIn PDF document text
    • http://pavogojewef.rf.gd/jimoxowunurifetapok.pdfIn PDF document text
    • https://s3.amazonaws.com/kovezux/22490577872.pdfIn PDF document text
    • http://jowosos.myartsonline.com/96275486390.pdfIn PDF document text
    • https://s3.amazonaws.com/bejexe/34016234828.pdfIn PDF document text
    • https://s3.amazonaws.com/zufaxepixiguxax/cbse_guidelines_for_class_12_accounts_project.pdfIn PDF document text
    • https://s3.amazonaws.com/numunenoji/formas_bidimensionales_planas.pdfIn PDF document text
    • https://s3.amazonaws.com/wujixus/dabufula.pdfIn PDF document text
    • http://sivutesafukim.rf.gd/89651134963.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_off00012b07.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12B07 5312 bytes
SHA-256: de302e93d81e7f1fa0a06f0fd4f799657a13dee97fcbec00cc13296f622c20fc
font_01_sfnt_off00013d17.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13D17 12280 bytes
SHA-256: 13434d2454b40de3d2392dae0a0fd0b5324ac692b26104c616ee28f9618b92fb

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