Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a0308811754cdbe…

MALICIOUS

PDF

74.6 KB Created: 2021-02-24 17:32:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: d1bb8f0567af961d4f156ac09db4e513 SHA-1: 3cd915b4fefbed24559f4567eeccad7f5eef13df SHA-256: 6a0308811754cdbed52915fa04e693508802c7001ccc14c7722cbbd2380dd44a
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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 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.
  • 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
  • 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://druttle.ru/aws?utm_term=what+is+a+large+sweet+potato PDF link annotation
    • https://lifitexuga.weebly.com/uploads/1/3/4/3/134356919/mekudogawon.pdfIn PDF document text
    • http://taforojujutusig.mygamesonline.org/can_a_cracked_heat_exchanger_be_dangerous.pdfIn PDF document text
    • http://thedouche.xyz/themeforest_shopping_ecommerce_html_templatei6db2.pdfIn PDF document text
    • https://gopaxeseje.weebly.com/uploads/1/3/6/0/136082610/nufomokaxaropito.pdfIn PDF document text
    • https://kurixaxewa.weebly.com/uploads/1/3/1/3/131383664/9043703.pdfIn PDF document text
    • http://kamikofonem.mygamesonline.org/sulis.pdfIn PDF document text
    • http://alphabitx.com/chevy_ss_2017_owners_manualfw4zn.pdfIn PDF document text
    • https://lurusavi.weebly.com/uploads/1/3/2/7/132710630/vemewino_wepilego_kaxulavuxovenu_pirevobawoto.pdfIn PDF document text
    • http://nivakagudan.22web.org/vidmate_lama_apk_mirror.pdfIn PDF document text
    • http://bidizujimon.getenjoyment.net/figukelanajod.pdfIn PDF document text
    • https://mitesevutij.weebly.com/uploads/1/3/4/7/134717039/lufab.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fasokefukolu.epizy.com/schizophrenia_guideline_american.pdfIn PDF document text
    • http://pujumek.myartsonline.com/xofanawif.pdfIn PDF document text
    • http://dumudolaba.epizy.com/bike_autocad_free.pdfIn PDF document text
    • https://s3.amazonaws.com/xifabilejilab/midisodenulakexunimugem.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_off0000e8f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE8F6 5188 bytes
SHA-256: 448657fa53023c8632333c6792f0139e4f8369bdd738b887d94afbb24758c412
font_01_sfnt_off0000faae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFAAE 10224 bytes
SHA-256: 0249e54bfec4fab463b840c05684a2ac287ac505076240f88857d2d215ad36a2