Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2c30a0976b2c15c…

MALICIOUS

PDF

67.6 KB Created: 2021-03-21 02:08:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b5fa87550dbd045da66d83aa161a8fd0 SHA-1: 2204261913a3849c34cead50582dec8d75cc035e SHA-256: c2c30a0976b2c15c30770d9b854277fd6c838b8439b90a09868163205300502e
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing or malicious content delivery mechanism. The heuristic 'PDF_SEO_LINK_FARM' indicates the presence of numerous external links, with the primary suspicious URL being https://maypoin.ru/aws?utm_term=warforged+wizard+names. While no scripts were explicitly extracted, the PDF structure and the high number of external links suggest an attempt to redirect users to potentially harmful websites, aligning with a phishing or malicious content distribution attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8464

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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
  • 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://maypoin.ru/aws?utm_term=warforged+wizard+names
    • https://zizopozuwugova.weebly.com/uploads/1/3/0/7/130775786/75f9426c2742a64.pdf
    • https://static.s123-cdn-static.com/uploads/4376101/normal_5fdf2f6a7f8f3.pdf
    • https://wopokajam.weebly.com/uploads/1/3/0/8/130874492/wonekarogovibebo.pdf
    • http://ravanusos.iblogger.org/bloodchild_and_other_stories_by_octavia_e._butler.pdf
    • https://bogizironafek.weebly.com/uploads/1/3/1/4/131406395/a881831d.pdf
    • http://memijijarem.22web.org/91900874682.pdf
    • http://bosaboro.22web.org/kegorunigaketenizajan.pdf
    • https://cdn-cms.f-static.net/uploads/4414851/normal_60339ec871a5f.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/fedojigudaj/shark_dichotomous_key_analysis_answer_key.pdf
    • http://koxogulu.rf.gd/sireloxojewa.pdf
    • https://s3.amazonaws.com/zonivezada/ropokix.pdf
    • http://pikegibu.rf.gd/kiligulupurorasunevivazo.pdf
    • https://s3.amazonaws.com/fosalizuzu/vuwovesimuviso.pdf
    • https://s3.amazonaws.com/bopuxosavubare/xamanuwerada.pdf
    • http://lefivox.epizy.com/hospital_bed_sheet_size_chart.pdf
    • http://josekew.epizy.com/zuximiputefunulaj.pdf
    • http://tokaverojov.epizy.com/gre_critical_reasoning_questions_and_answers.pdf
    • https://s3.amazonaws.com/xulepiwa/danganronpa_2_case_1_guide.pdf
    • http://defezanoluvu.rf.gd/ncert_chemistry_book_class_11_solutions.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f253.bin
680f9a8961ef39f28b0e59ad791e2ab7eaf5d6fc374d963c5a69f00a39b5804f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF253 5348 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.