Malicious PDF — malware analysis report

Static analysis result for SHA-256 b7cd63780c51db32…

MALICIOUS

PDF

106.9 KB Created: 2021-04-01 19:33:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: cb0e5eaea7fb365f0f3ee3b0916bc394 SHA-1: 562fd1f488c1076f8c04a8c35b37d9480ed9f3da SHA-256: b7cd63780c51db320843184970af5ff23c98a3582d51a029c55f869b9e7ab5ec
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 0.9991

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://xajibur.ru/award?keyword=alcanos+nomenclatura+pdf PDF link annotation
    • https://cdn.sqhk.co/tinulafi/cghvhdo/fabric_transfer_paper_near_me.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370071/normal_5feaf4a32156c.pdfIn PDF document text
    • http://jolixasij.sportsontheweb.net/sewolulapamemuwuxogisojes.pdfIn PDF document text
    • http://gejikojaki.scienceontheweb.net/81634980674.pdfIn PDF document text
    • https://cdn.sqhk.co/vujixete/Yb7iFjD/fizz_runes_lol.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4491725/normal_605ef2691260b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481518/normal_605fb9d969406.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4487632/normal_601fd84dc9c0c.pdfIn PDF document text
    • http://nosinoski.shop/sofewumezagadelipijugs08g.pdfIn PDF document text
    • http://xrootunited.com/best_criminal_lawyers_near_meoar82.pdfIn PDF document text
    • http://mapugukabazewu.scienceontheweb.net/vozunitotivi.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4404969/normal_5ffd755ad73bd.pdfIn PDF document text
    • https://cdn.sqhk.co/woleparos/dyn8aid/marvel_unlimited_annual_plus_promo_code.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://jadivepijuga.myartsonline.com/3983027727.pdfIn PDF document text
    • https://s3.amazonaws.com/dowadotiju/57627954662.pdfIn PDF document text
    • https://s3.amazonaws.com/zozofufulolig/sheet_metal_dimple_die.pdfIn PDF document text
    • http://sajulugebimisu.myartsonline.com/zmodo_doorbell_camera_reviews.pdfIn PDF document text
    • http://namepafubi.atwebpages.com/costanzo_physiology_6th_edition_download.pdfIn PDF document text
    • https://s3.amazonaws.com/vibuvomomuv/56698824948.pdfIn PDF document text
    • http://bebojivim.myartsonline.com/how_to_update_kali_linux_2020.1.pdfIn PDF document text
    • http://xumuritikoxuk.myartsonline.com/base_de_datos_objeto_relacional.pdfIn PDF document text
    • https://s3.amazonaws.com/wixatax/premarital_counseling_books_non-religious.pdfIn PDF document text
    • https://s3.amazonaws.com/vukumesoj/allegiant_movie_300mb.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00014af7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14AF7 5288 bytes
SHA-256: 0e12694302a6df59964b9f66b4c17f93aeb22d24f9ba37b0f158beb2e24c6acc
font_01_sfnt_off00015cde.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15CDE 12872 bytes
SHA-256: d5664fea751c25721064c74e442757b2ec9b5e86b73d9246cee19ba1cec7852d
font_02_sfnt_off00018753.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x18753 16204 bytes
SHA-256: 541fa2b6826b0add99b7d5a173ef1e6a5567607b5192f75b810eb17d6a563501

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