Malicious PDF — malware analysis report

Static analysis result for SHA-256 717d4b85552fc954…

MALICIOUS

PDF

168.0 KB Created: 2021-03-14 19:01:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 99d1e01d4b35239a7e8d71ecb6682a89 SHA-1: a4a0366a324c561210fbe67ec9e8a0f0b7f3dc04 SHA-256: 717d4b85552fc9543e0985883b4e9adae95d40da57e12c0f2e532097444aadcc
96 Risk Score

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 0.9994

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://druttle.ru/award?keyword=warhammer+age+of+sigmar+stormcast+eternals+pdf PDF link annotation
    • http://dragonflysagewellness.com/depopanibinanijeeev3e.pdfIn PDF document text
    • https://vamekatowozi.weebly.com/uploads/1/3/0/8/130814347/wamumige-binamozuvariw.pdfIn PDF document text
    • http://airbin.top/xuxatakogudakukidetuidja.pdfIn PDF document text
    • https://melijezaziwoni.weebly.com/uploads/1/3/4/8/134851492/xosiwubagenifa_toroji.pdfIn PDF document text
    • https://felonuwonab.weebly.com/uploads/1/3/0/8/130814100/laxonezo-diriderew.pdfIn PDF document text
    • https://rujurujubawupof.weebly.com/uploads/1/3/0/9/130969172/noneleb.pdfIn PDF document text
    • http://zaliv2k20wowowowoow.xyz/oconee_state_park_directionsa78lv.pdfIn PDF document text
    • https://ludurodeb.weebly.com/uploads/1/3/4/8/134852143/pefufaviwali.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://acfcda0b-1795-4b40-aedc-9a0bc13047ce.filesusr.com/ugd/89c6ad_e80ade6a651c4957b6eab0a24db627b7.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/wifiduxezo/maya_angelou_poem_i_love_you.pdfIn PDF document text
    • https://s3.amazonaws.com/fipijife/symmetry_surgical_catalog.pdfIn PDF document text
    • https://c3d762b3-5d50-4891-ab6d-43710edd2423.filesusr.com/ugd/3254bf_901e83474a814a798e7db4b7fc04fc18.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/pujirageg/bixanotawojejikis.pdfIn PDF document text
    • https://56352102-112a-4456-a677-0775450c4ed3.filesusr.com/ugd/ed4e87_81e99cdec0304aee9879814720d3a8d5.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/rizezobabub/93389325012.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000241f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x241F0 5580 bytes
SHA-256: 4ea9708a2bbd424a2083f13e83a308c9025e3b9b7bab66052ba15834d3447b19
font_01_sfnt_off000254d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x254D5 11640 bytes
SHA-256: be7b7f1aadd1c317310928f309b06201583a531083b612da735422e78a0674d1
font_02_sfnt_off00027cb2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x27CB2 16232 bytes
SHA-256: 6055332a8fcb27ae9fca5363be757c57e02031ecd914c25a5254426411ddf9ae

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