Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f2f0bfc6929543d…

MALICIOUS

PDF

68.9 KB Created: 2021-01-23 03:51:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: 27f609b4e464fa91e119b494f9fa7f0a SHA-1: c60c7fb281f1d4e3b2beec3bf13029751436ae73 SHA-256: 7f2f0bfc6929543d8e0374dc98547d98713ab604c52d229a2b1c4158cd284d1f
96 Risk Score

Malware Insights

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

The file is a PDF document identified as malicious by ML classifiers and ClamAV. It contains an embedded URL that redirects to a suspicious domain, likely intended to phish or deliver a payload. The document's content, though obfuscated, suggests a lure related to 'bible study plan' to entice users to click the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://trafficel.ru/wb?keyword=amazing%20facts%20bible%20study%20plan PDF link annotation
    • https://site-1254292.mozfiles.com/files/1254292/skip_counting_worksheets_year_1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4503279/normal_5fd62dcc21115.pdfIn PDF document text
    • http://sumemejosanavo.iblogger.org/bike_race_3._0_mod_apk.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4457005/normal_5feb5d7b15648.pdfIn PDF document text
    • https://site-1166617.mozfiles.com/files/1166617/harry_potter_snake_talking_scene.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366354/normal_5fcf395732b8d.pdfIn PDF document text
    • https://site-1178097.mozfiles.com/files/1178097/ladybird_imdb_parents_guide.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4497359/normal_5fcaaa4a701a5.pdfIn PDF document text
    • https://site-1175818.mozfiles.com/files/1175818/78589054289.pdfIn PDF document text
    • https://site-1178342.mozfiles.com/files/1178342/kiwojuruvosiganasi.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/folexapurilowe/astoria_forma_1_group.pdfIn PDF document text
    • http://jepafuzezax.epizy.com/char-_broil_performance_series_t36g5_kaufen.pdfIn PDF document text
    • https://s3.amazonaws.com/jixerubowi/two_syllable_words.pdfIn PDF document text
    • http://surifuj.rf.gd/nudetam.pdfIn PDF document text
    • https://s3.amazonaws.com/bulalowisu/fuzozugodigebexig.pdfIn PDF document text
    • http://febiked.rf.gd/33830850472.pdfIn PDF document text
    • https://s3.amazonaws.com/lososimap/nokeba.pdfIn PDF document text
    • https://s3.amazonaws.com/pexodugosa/firefox_mobile_browser_free_for_pc.pdfIn PDF document text
    • https://s3.amazonaws.com/dozuga/online_us_visa_application_form_in_ghana.pdfIn PDF document text
    • http://nogomazarem.epizy.com/samsung_find_my_mobile_apk.pdfIn PDF document text
    • http://dimaninerif.rf.gd/av_malformation_brain_symptoms.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_off0000d0b4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD0B4 5660 bytes
SHA-256: ba8b19a4ba3d2d7c1d444a2cc775f70ef42736c95294542dcf51652d7b067ad3
font_01_sfnt_off0000e3fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE3FC 10084 bytes
SHA-256: 6f398b0a4a4a1a782465e41c469b2a3f1b10c9742d64027077885f472c06f288

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