Malicious PDF — malware analysis report

Static analysis result for SHA-256 d02ce95dd51ebb82…

MALICIOUS

PDF

71.3 KB Created: 2021-03-07 17:48:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: fd58802edaadeff624cccfaf0975f9ee SHA-1: 73677df10c253754a06ee8cd470bc3d3aa7c1745 SHA-256: d02ce95dd51ebb82900dcd29a35175a872e9d3116eeb28baecb0c250246b6154
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://soxebez.ru/award?keyword=four+term+contingency+of+operant+conditioning PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4483610/normal_602c58a6990fc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4407562/normal_5fdf57f2be52a.pdfIn PDF document text
    • https://cdn.sqhk.co/wotutovebo/uY0jaii/cute_drawings_for_boyfriend_tumblr.pdfIn PDF document text
    • https://cdn.sqhk.co/tudobele/hjgLcBY/nbc_sports_predictor_app.pdfIn PDF document text
    • https://maraliva.weebly.com/uploads/1/3/2/7/132712127/7557282.pdfIn PDF document text
    • https://cdn.sqhk.co/fumamimed/gfgjwui/zombieland_2_full_movie_where_to_watch.pdfIn PDF document text
    • https://cdn.sqhk.co/guvevifowo/1lphfjh/best_motogp_racers_of_all_time.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446017/normal_5fe8dca85600b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4475196/normal_6037a8ecd9f8a.pdfIn PDF document text
    • https://cdn.sqhk.co/kusewupudin/jhd7jir/linkmenys_ignalinos_raj.pdfIn PDF document text
    • https://toripifisesu.weebly.com/uploads/1/3/4/3/134367164/7548638.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471082/normal_602dd497ae9a7.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/89617f1f-b5fd-4a30-97f5-32eb3660c1cb/portfolio_outdoor_lighting_replacement_bulbs.pdfIn PDF document text
    • http://wotidupodugi.myartsonline.com/how_to_find_the_age_of_a_whirlpool_water_heater.pdfIn PDF document text
    • https://s3.amazonaws.com/dewazewokib/ladidopulovubofag.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/077527e4-0376-45ed-ab50-77c6ff149479/multivariable_calculus_hughes_hallett.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/36c5278e-d245-45ad-aa6c-1ded161a06af/software_autocad_2010_costo.pdfIn PDF document text
    • http://gipebevu.atwebpages.com/nosinobivivimezir.pdfIn PDF document text
    • https://s3.amazonaws.com/jopomodilamego/63148955002.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/11ba8827-c6e1-4f68-ab0a-0a2d5108674a/89009469437.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e63ed5e6-924d-460a-9597-6e2009fc8767/contemporary_management_theory_slideshare.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_off0000db53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB53 5320 bytes
SHA-256: 99c9aef1bebe47d187f2f56d469710d9d5def4240724af394f13a96da6cc4ab4
font_01_sfnt_off0000ed68.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED68 10104 bytes
SHA-256: 08242aefae5d4e558d5dfe327437e7f6baa07ea54588501cfef57a8456f80fb0

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