Malicious PDF — malware analysis report

Static analysis result for SHA-256 0120d98229608507…

MALICIOUS

PDF

68.4 KB Created: 2021-03-19 22:25:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 774d62c3e174e9df413e586c0b70cacb SHA-1: 2f7838ef47e7616847bf4ba58b4015adf3ca5a7c SHA-256: 0120d98229608507f9b1d9ca56d554207265772e92b8acd72ba33df2e60785fe
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF contains numerous embedded URLs pointing to external sites, many of which are hosted on disposable domains, indicating a link farm or phishing attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to redirect users to malicious content or phishing pages. Although no scripts were explicitly extracted, the PDF structure and numerous external links are indicative of a malicious document designed to lead users astray.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7937

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
  • 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.
  • 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://leonvi.ru/strik?utm_term=how+to+find+surface+area+for+a+triangular+prism PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4371005/normal_6032e025ab027.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4479710/normal_6019201649da4.pdfIn PDF document text
    • http://sopisafexuj.sportsontheweb.net/56849806600.pdfIn PDF document text
    • https://lesapexif.weebly.com/uploads/1/3/1/6/131637780/bevirosix_zedunibital_xofotaligizolif_tifowamowu.pdfIn PDF document text
    • https://lejufonibo.weebly.com/uploads/1/3/4/4/134470114/wajesoji.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4378605/normal_5fe04ced3c80a.pdfIn PDF document text
    • https://cdn.sqhk.co/ludibipimilu/R2jahgQ/audible_to_pc.pdfIn PDF document text
    • https://nililekekikare.weebly.com/uploads/1/3/0/7/130739967/lamowudum_zefelabipuwu_fizaromebokulaz_gufubajovif.pdfIn PDF document text
    • https://cdn.sqhk.co/rotonoba/hbic8id/billie_eilish_lockscreen_iphone.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4461751/normal_60390634908f7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4401691/normal_6011352734d9d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4496165/normal_5ff2cd835bb2a.pdfIn PDF document text
    • http://figuxovutofid.mygamesonline.org/introduction_to_management_science_by_bernard_w._taylor_iii_pearson_13th_edition.pdfIn PDF document text
    • http://wedipum.mygamesonline.org/can_you_lease_a_bobcat.pdfIn PDF document text
    • https://xafijedalab.weebly.com/uploads/1/3/0/7/130775792/7ad881f1.pdfIn PDF document text
    • https://wujipiledulom.weebly.com/uploads/1/3/4/6/134695719/fopelowesulom.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4529087/normal_5fc945daea14c.pdfIn PDF document text
    • https://cdn.sqhk.co/fugolamudara/ifwiee2/45567838766.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4422163/normal_604aec5187820.pdfIn PDF document text
    • https://cdn.sqhk.co/tixukiko/geDgcNm/pujenobowutukawubuxad.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fozozip.onlinewebshop.net/public_relations_books_download.pdfIn PDF document text
    • http://wiwosotu.myartsonline.com/cesare_lombroso_o_homem_delinquente.pdfIn 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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e700.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE700 5528 bytes
SHA-256: 9776d1c96e8ee084d18070cbc6f17f0f6346718d4eeec75c2b0fbcb388a7d802

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