Malicious PDF — malware analysis report

Static analysis result for SHA-256 00d265fd4bfdf895…

MALICIOUS

PDF

76.3 KB Created: 2021-03-27 18:51:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-08-20
MD5: fbe3c83b1f020155944a42e83affd636 SHA-1: cccb7e986904b1d5807f866e2ae00bcddcc2c668 SHA-256: 00d265fd4bfdf89591a7ebe8d18ce124311c39353c4d242050691439c27537e2
184 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution T1059.007 JavaScript

This PDF file was identified as malicious by multiple heuristics and a machine learning classifier, specifically flagging it as a redirector link to malicious infrastructure. The document body, though heavily obfuscated, contains text related to 'Orbit 62056 vs 62061z', which aligns with the malicious URL. The presence of numerous links, many on disposable domains, indicates a phishing or scam attempt designed to lure users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://yafferge.ru/strik?utm_term=orbit+62056+vs+62061z In PDF document text
    • http://pagebake.com/esclerosis_multiple_pediatriae9hqg.pdfIn PDF document text
    • http://kitazixozakabu.sportsontheweb.net/basic_russian_words_for_tourists.pdfIn PDF document text
    • http://memiwuv.mygamesonline.org/groupme_for_computer.pdfIn PDF document text
    • http://najetaxu.mygamesonline.org/zopegokefone.pdfIn PDF document text
    • http://texno3ua.com/66669917249e3oym.pdfIn PDF document text
    • https://cdn.sqhk.co/kuzetuzame/9RUDtLY/goxuzavefug.pdfIn PDF document text
    • https://cdn.sqhk.co/porosobof/imAO7KH/ethereum_wallet_address_format.pdfIn PDF document text
    • http://wiinorama.space/finale_becca_fitzpatrick_vko4hp8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4487662/normal_6039a3c313ddb.pdfIn PDF document text
    • http://crystal-light33.ru/932228157445175h.pdfIn PDF document text
    • https://cdn.sqhk.co/jijipidub/ljhiegj/19745919988.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4389816/normal_6041e4a084a20.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/lejivugeleguwod/connected2_me_apk_3._22.pdfIn PDF document text
    • https://s3.amazonaws.com/befarekogol/sql_format_date_field_mm_dd_yyyy.pdfIn PDF document text
    • http://kibagog.onlinewebshop.net/58507905725.pdfIn PDF document text
    • http://xowuzaxu.onlinewebshop.net/97057031010.pdfIn PDF document text
    • http://rekekolulopar.rf.gd/26518962312.pdfIn PDF document text
    • http://sugototuvomek.rf.gd/46335153314.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_off0000ecfa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xECFA 5320 bytes
SHA-256: 3c3c99a5e51a9bb028b29c539b90c298acecedebf1d304b879e77677dd192155
font_01_sfnt_off0000ff36.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF36 10448 bytes
SHA-256: d9407efcbd174363022ff5daed9add512f7373f03eaab39ec1a89f6104cb967f