Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9262281cf658b96…

MALICIOUS

PDF

100.7 KB Created: 2021-04-23 16:46:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 2493c0fd432991c0afc19b61fe25db53 SHA-1: 1ac3475b6cc85e0c3bf35bafc580530cecfb42be SHA-256: e9262281cf658b9664c6d608096a6601aec961893e477d8869e5b68d719e39f6
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 0.9987

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://ponafet.ru/strik?utm_term=spss+survival+analysis PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4370072/normal_6040dbdf95076.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459777/normal_604e1d8ba034a.pdfIn PDF document text
    • https://cdn.sqhk.co/gisatajofo/i3NgeRq/best_simple_chocolate_cake_recipe.pdfIn PDF document text
    • https://cdn.sqhk.co/jenireni/cjjjjhh/zalagumitelujibofewut.pdfIn PDF document text
    • https://cdn.sqhk.co/kuxazigozo/cibhhjc/nunaveraliforotiba.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4427544/normal_6023c42cec2c5.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4425238/normal_5fec38eb04b8d.pdfIn PDF document text
    • https://cdn.sqhk.co/mafowixodi/hfhcFtr/3691603130.pdfIn PDF document text
    • https://cdn.sqhk.co/tuxonewebuke/NJ4igoA/kizowawinubumaxarapunis.pdfIn PDF document text
    • https://cdn.sqhk.co/fexiseme/gjx4JCQ/musynx_ps4_gameplay.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4488804/normal_602693667a524.pdfIn PDF document text
    • https://cdn.sqhk.co/linidivez/jHhfTgd/teddy_roosevelt_quotes_on_leadership.pdfIn PDF document text
    • https://cdn.sqhk.co/womawuxinuge/jfgcijc/does_nasty_gal_have_student_discount.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420224/normal_6040f4c8c5592.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413567/normal_601ae7347dc2e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414848/normal_6019f370d8c33.pdfIn PDF document text
    • https://cdn.sqhk.co/wajidafix/j1hahhE/btd5_deflation_strategy.pdfIn PDF document text
    • https://cdn.sqhk.co/wovegase/jf0jdwB/52318678244.pdfIn PDF document text
    • https://cdn.sqhk.co/zexupibo/jP6hhge/no_crossing_swords_meaning.pdfIn PDF document text
    • http://yourdesk.website/50634734372grg84.pdfIn PDF document text
    • https://cdn.sqhk.co/lumozupa/VhLhdig/8_ball_pool_free_coins_trick_android.pdfIn PDF document text
    • https://cdn.sqhk.co/mapetidul/zyC7Ejd/the_most_difficult_board_games.pdfIn PDF document text
    • http://arenda-comp.space/zelibolexvm2yw.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4484994/normal_5fda4042c22b4.pdfIn PDF document text
    • http://golomashvanna.xyz/honda_hs622_shop_manualghmcu.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off00013639.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13639 5076 bytes
SHA-256: fcadae327f052f1ecffec8fdb30524af310b33512161dd334f8c9ef75a118d0d
font_01_sfnt_off00014790.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14790 11392 bytes
SHA-256: fa50cf4e23329c7c27de50f6261f9c96d059c1f01dd6a59b7338806276db728a
font_02_sfnt_off00016e3c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16E3C 16204 bytes
SHA-256: a95eff378c135b1ab40d10b3cd1da1bafbc07f86005f57898d079c90d712ddbd

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