Malicious PDF — malware analysis report

Static analysis result for SHA-256 16345e62cdfe57be…

MALICIOUS

PDF

104.2 KB Created: 2020-12-04 07:05:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 0467d2d6a750359b6d1f8c469308379f SHA-1: 9bc451a27a007b26fcecb6c063ca30308f9a7305 SHA-256: 16345e62cdfe57be7aec0f7f0aee2b661e260140fb71654c85a4f7e73e7f146a
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 0.9997

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://traffine.ru/aws?utm_term=aspectjweaver+1.+6.+11 PDF link annotation
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/gixawetopoli/forgotten_realms_interactive_atlas_download.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc560f9c89e1c4b8fdc8e4d/t/5fc8640813f8d93bf20365f0/1606968329161/33150310437.pdfIn PDF document text
    • https://s3.amazonaws.com/tesodagiwor/latest_android_version_pie_or_oreo.pdfIn PDF document text
    • https://s3.amazonaws.com/kakekojezutok/biruzogomuvamaxim.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc33b91b8467722f1e32cd3/t/5fc9a3f7e262c015945dbe26/1607050235937/tumuvedipujor.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc16b033398ff751531a7f7/t/5fc7d232440ab22dc976e2f2/1606930994378/download_music_mp3_player_juice.pdfIn PDF document text
    • https://s3.amazonaws.com/zifozujiwi/wogumebuzi.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc5c92c11f6a41984a72880/t/5fc684cea97599144edb6d70/1606845647918/lireberorajez.pdfIn PDF document text
    • https://s3.amazonaws.com/zetare/te_pintaron_pajaritos_en_el_aire_cumbia.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcfad179c08c7f2b9ec071/1606220498008/ready_player_one_online_free_watch.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc2983b9955c744b5466208/t/5fc656e13c02f22b9de50ec5/1606833892554/ice_cream_making_cooking_game.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc1c5d3a3bf4b14abaf5581/t/5fc7bf947995075abdf05291/1606926235757/pisifewonowenevudu.pdfIn PDF document text
    • https://s3.amazonaws.com/fizaxo/rustoleum_cabinet_transformations_paint_only.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4c091209-3054-46ea-9bd0-abe0379900d2/43743897610.pdfIn PDF document text
    • https://s3.amazonaws.com/dutimajizowa/10040106220.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc53531084698658e7a7e4c/t/5fc9bd37cf87d0256febbd21/1607056695553/gomibovagov.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_off00014421.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14421 5348 bytes
SHA-256: d84d6ff92699b2a0cb8de9c7a27866e7cc2f88180448391839b8318d2c5ed806
font_01_sfnt_off0001568b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1568B 12036 bytes
SHA-256: caeed4ef8eba791b1d30db63712412601509586b26cf7eaea6ac5427b5b5ac46
font_02_sfnt_off00017d48.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17D48 16564 bytes
SHA-256: b949215b8c59decc8c7fea87b81bf527b9b8efa8598387982aae289aaa016805

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