Malicious PDF — malware analysis report

Static analysis result for SHA-256 947ba498f209ef14…

MALICIOUS

PDF

83.1 KB Created: 2021-03-25 04:07:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 39068d909624d6cbc4196c093667205b SHA-1: 5684fd5c4bc3065502c78e600ffa30c9ff6c6406 SHA-256: 947ba498f209ef14455097ad5c9b2b44ef830375fa057ec98cc5479548ed5d57
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://nipisod.ru/wix?keyword=video+guide+bozeman+biology+meiosis+answers PDF link annotation
    • http://rejemezurufoveg.mywebcommunity.org/28296890158.pdfIn PDF document text
    • http://lofupijuwox.22web.org/formato_para_kindle_epub_o_mobi.pdfIn PDF document text
    • http://blockingscenery.com/regagalef4z2io.pdfIn PDF document text
    • https://watinamubil.weebly.com/uploads/1/3/0/8/130813586/2377517cd41dd.pdfIn PDF document text
    • https://vedagerirujo.weebly.com/uploads/1/3/6/0/136055295/7844619.pdfIn PDF document text
    • http://frut-tree.site/brookstone_wireless_headphones_pairingqi1wh.pdfIn PDF document text
    • https://fajizaxaro.weebly.com/uploads/1/3/1/3/131381717/5340669c.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/e3ed0cdf-fcf8-46df-ad47-03b8bf61f31a/fijaton.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e5a0fb09-2d8f-4edf-b509-f6b2f2436e70/72282058662.pdfIn PDF document text
    • http://fewatebuvif.epizy.com/fipofigenifufipozixe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8a7c46a1-aa6c-4e1b-a790-c3d31d8e6fb4/nikon_d4000_specs.pdfIn PDF document text
    • https://s3.amazonaws.com/kifutizijebuj/spotify_per_windows_xp.pdfIn PDF document text
    • https://s3.amazonaws.com/wuzalugiseto/wrong_side_of_heaven_ringtone.pdfIn PDF document text
    • http://kebowikosu.epizy.com/remington_11-87_synthetic_stock_20_gauge.pdfIn PDF document text
    • https://s3.amazonaws.com/zafirawit/bengal_warriors_logo.pdfIn PDF document text
    • https://s3.amazonaws.com/wajibile/canon_eos_6d_mk2_manual.pdfIn PDF document text
    • http://mowixir.epizy.com/cereal_grains_assessing_and_managing_quality.pdfIn PDF document text
    • http://gevejonitu.onlinewebshop.net/kidajodukasozap.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e266.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE266 10712 bytes
SHA-256: fd7838b2ee2c62faf82af32cc0b4ed0ad888afef6c0017735cb8cb6c3712e278
font_01_sfnt_off00010581.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10581 5492 bytes
SHA-256: c31bd1e2ba87856e034142320fa4dcbb7cf83941a3cffcc726e44ed030bb2df7
font_02_sfnt_off00011838.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11838 11740 bytes
SHA-256: eaad12ce1eef3e27f6d48bed8878996068b13f00ee9b2dde2f61e7e2720a5466

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