Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd9453f6835fd5dd…

MALICIOUS

PDF

77.4 KB Created: 2021-05-21 08:08:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 427c991bd31e8c414a1978ff503685ee SHA-1: 453cc90c28601101797da8fd69d12a952c409285 SHA-256: dd9453f6835fd5ddd8f46438cc9665c76461373926316a1aa26379db5cac8638
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 0.9988

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://dugedepap.ru/strik?utm_term=numerical+methods+in+biomedical+engineering+solution+manual PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4408352/normal_601d007b45603.pdfIn PDF document text
    • https://namunobuwuper.weebly.com/uploads/1/3/0/7/130776476/2052140.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4377095/normal_603f298d2b717.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4382781/normal_5fde580a48a23.pdfIn PDF document text
    • https://xiwajuropoji.weebly.com/uploads/1/3/4/3/134371127/8e03fb93bfac.pdfIn PDF document text
    • https://jinijazi.weebly.com/uploads/1/3/4/6/134668286/24fcb6b7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372719/normal_6011b64c79910.pdfIn PDF document text
    • https://fuvekusegubo.weebly.com/uploads/1/3/4/7/134736786/1372dbc444206.pdfIn PDF document text
    • https://nawexolaka.weebly.com/uploads/1/3/4/7/134704757/tavemu.pdfIn PDF document text
    • https://zoniziwaxetoxa.weebly.com/uploads/1/3/4/4/134441104/kebiduf-motopovexena-worapozu-mifera.pdfIn PDF document text
    • https://zaluvunikuf.weebly.com/uploads/1/3/1/0/131070459/jebijitu.pdfIn PDF document text
    • https://rafukamilijodif.weebly.com/uploads/1/3/7/5/137509327/f5e6977.pdfIn PDF document text
    • https://wenutezow.weebly.com/uploads/1/3/5/4/135400756/deruv.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/565c70bc-c1ff-4796-85f6-09a8d171e901/83371940797.pdfIn PDF document text
    • https://s3.amazonaws.com/wujodibu/pogeworuruwiwi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/92e51323-c163-427a-9e37-5ed0374f0950/2019_scag_turf_tiger_2_61_price.pdfIn PDF document text
    • https://s3.amazonaws.com/dinigugaxej/fegoza.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4791aee8-3995-4c96-b403-82432ca910f9/35207572404.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e24ae224-2e3a-41df-8f95-1ed490873e43/warhammer_40k_ork_codex_8th_edition_vk.pdfIn PDF document text
    • https://s3.amazonaws.com/womirofop/faberu.pdfIn PDF document text
    • https://s3.amazonaws.com/wazorixekunafob/92300054543.pdfIn PDF document text
    • https://s3.amazonaws.com/xetasif/charles_dickens_a_christmas_carol_book_for_sale.pdfIn PDF document text
    • https://s3.amazonaws.com/toniseligiwuzux/juzananomesuwed.pdfIn PDF document text
    • https://s3.amazonaws.com/geradi/chaita_ki_chaitwal_song_free.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e64f39bd-c577-4deb-9bdd-7d6c5cbce82b/xipominafeda.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

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_off0000e329.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE329 5344 bytes
SHA-256: 68236edac4c9afa2d174d61f3415a3a90c8b571d0ac9448c3f56afbe4fa4f309
font_01_sfnt_off0000f51f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF51F 11108 bytes
SHA-256: 002f7e6ad6fb78b36666a8ce84b457a30041bf5e9c57dd94d446c2735617fc08
font_02_sfnt_off00011a57.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11A57 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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