Malicious PDF — malware analysis report

Static analysis result for SHA-256 a0f00e0dec72cffd…

MALICIOUS

PDF

76.8 KB Created: 2021-03-14 18:30:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 61b584e70eb99e27e1e15685d190f780 SHA-1: 9b4b093627571eb8d1e34928968cb5aeebf45ed2 SHA-256: a0f00e0dec72cffdd2fbe87848db405fbd2f9f03df8f1e52043adda5f23ac868
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://lozipotod.ru/123?utm_term=polyurethane+foam+sheets+nz PDF link annotation
    • https://cdn.sqhk.co/zimopaji/atjiRhd/funny_valentines_gift_ideas_for_him.pdfIn PDF document text
    • https://cdn.sqhk.co/winelolibug/F77bjgR/2086342694.pdfIn PDF document text
    • http://sorakazuvopez.iblogger.org/46063161585.pdfIn PDF document text
    • https://cdn.sqhk.co/zesonixiv/hehfjaX/light_me_up_inside_mp3_download.pdfIn PDF document text
    • https://cdn.sqhk.co/govazofaj/cwi2icp/sing_play_karaoke_your_mp3_app_download.pdfIn PDF document text
    • http://romotogez.22web.org/data_aws_iam_role_terraform.pdfIn PDF document text
    • https://cdn.sqhk.co/lomekojop/hf3lXij/netflix_site_error_login_page.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/3c1411ce-109d-45e3-8f4a-50b45399b673/naxofujimerudemimiboxif.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/151d2870-2b8f-4752-b375-1b91bfa4e21b/22399143795.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/788f2c53-a55d-4f0c-bcd4-c6207cbb0b9a/dukubepotagixe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c70c25e4-6fa9-4891-866f-24334fb80518/al_quran_in_bangla.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ad85add6-f27c-4969-b081-7525c5c3ee53/larebafo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/03fb551f-979a-4db6-9caf-cd753e143481/mazivafosilufezuvodegi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/254a9f84-47a8-40ea-b22b-a458de0eed0f/91038373030.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/de825b03-9e97-476e-a875-eef4e8aff3c5/penny_stocks_to_watch_asx.pdfIn PDF document text
    • http://zimofizamar.epizy.com/gudozosemevo.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d6986e5f-029f-41ca-97b9-0b9416262e8a/where_to_buy_new_american_standard_bible.pdfIn PDF document text
    • http://tiwobera.rf.gd/pivezerose.pdfIn PDF document text
    • http://dusetelonuzaj.epizy.com/70591590707.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0794801d-ebc3-4bdc-82cf-c87cac497edc/what_does_glint_in_the_eye_mean.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000eca6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xECA6 5160 bytes
SHA-256: 1d80817fefa2f809bda457be2c3021452b027a1ccbf2cf00a46b10d9898e02bc
font_01_sfnt_off0000fe17.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE17 11808 bytes
SHA-256: 3fb27b573bc2c354a605555d3df0ab1caa6f7fce8ed61e0562e7b9780671aef4

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