Malicious PDF — malware analysis report

Static analysis result for SHA-256 47e36df2901e9fce…

MALICIOUS

PDF

84.8 KB Created: 2021-03-15 19:55:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-21
MD5: 17305254a6b8b7ac262d30e287ca03dd SHA-1: 7bd06ec3abbc5b99a591835bbce6f4c0162aaed7 SHA-256: 47e36df2901e9fcea734d6e2e4816546130dc9fa48d73892e59d680fbc29cb58
154 Risk Score

Malware Insights

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

This PDF file was flagged by multiple heuristics, including a critical alert for linking to known malicious redirector infrastructure. The embedded URL, 'https://crophysi.ru/strik?utm_term=ryobi+sc160+scroll+saw+manual', suggests a phishing lure disguised as a product manual. While no scripts were explicitly extracted, the PDF structure and the malicious URL indicate an attempt to redirect the user to a phishing or malware distribution site, likely leveraging a known exploit or social engineering tactic.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • 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.
  • 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://crophysi.ru/strik?utm_term=ryobi+sc160+scroll+saw+manual In PDF document text
    • https://cdn.sqhk.co/dolafita/aijcidz/tabemomunisumegutujefo.pdfIn PDF document text
    • https://cdn.sqhk.co/devepogisog/gcWgfhh/swepco_electric_company_phone_number.pdfIn PDF document text
    • https://cdn.sqhk.co/rifokinimito/ja1hihe/debakomevope.pdfIn PDF document text
    • http://apeech.ru/31563694720f6qbm.pdfIn PDF document text
    • https://cdn.sqhk.co/davunosedepa/tlghrKf/sigiziselivexolafe.pdfIn PDF document text
    • http://hydrofthol.space/captain_marvel_soundtrackxuouy.pdfIn PDF document text
    • http://talkme-news.info/bombay_bicycle_club_always_like_this_lyricsdtkgd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4373527/normal_6009e7097a515.pdfIn PDF document text
    • http://bristol-yalta.run/zusimunozesagite8pp5v.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4386597/normal_604cc5676cc7b.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4473359/normal_5fe0366767825.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/bibejovixapis/ap_english_language_vocabulary_list.pdfIn PDF document text
    • https://s3.amazonaws.com/gavobawum/17029133762.pdfIn PDF document text
    • https://s3.amazonaws.com/ragejufa/94428470515.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/08271e5f-d1ce-46a3-9192-091f26df60fb/toguvov.pdfIn PDF document text
    • https://s3.amazonaws.com/tafogusegabomu/the_cube_method_brandon_lilly.pdfIn PDF document text
    • https://s3.amazonaws.com/guvovigo/31254545579.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7eb6cd17-f2e0-432a-9b5f-566753873090/cajas_de_carton_part_2_summary.pdfIn PDF document text
    • https://s3.amazonaws.com/zatazewoz/formal_channels_of_communication.pdfIn PDF document text
    • https://s3.amazonaws.com/muvarelo/bollywood_movies_songs_in_zip_file.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a9729241-6332-47a6-b74d-b3a57c75af51/91099517401.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7a8c5b1e-119c-4a3b-a41b-0123de0066ea/gentilicios_de_espaa_ciudades.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_off00010e4e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10E4E 5636 bytes
SHA-256: 54b97ac54c0a875109c721f8107bba601c9eb1e6ded53c61b5f5551a4163b51f
font_01_sfnt_off0001218a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1218A 10780 bytes
SHA-256: ef0cdb23b1e023e5dee8ef4714e5eb89de0df26992b0f62430ef7d47e2a4eccc

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