Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e1b49ae06b2371d…

MALICIOUS

PDF

77.1 KB Created: 2021-03-05 09:44:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-20
MD5: 5acaec6dda2863fd25df776129b502e8 SHA-1: 0bf476686495621341175f80ef236f4d9c3aa608 SHA-256: 0e1b49ae06b2371d54daa13d28f9ba767d8eeb309614232afd3ccf3cdb926e65
126 Risk Score

Malware Insights

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

The PDF contains multiple external URIs and is flagged by ML classifiers and ClamAV as malicious, indicating a phishing or scam attempt. The document body, though heavily obfuscated, contains text related to 'sodastream cylinders', suggesting a lure to a malicious website. The presence of numerous links on disposable hosting further supports this assessment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • 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
  • 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://nipisod.ru/award?keyword=how+much+are+sodastream+cylinders PDF link annotation
    • https://cdn.sqhk.co/jitolado/hbjhhUb/anime_alarm_download.pdfIn PDF document text
    • http://tezoxefakalexo.sportsontheweb.net/lugelanof.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4469365/normal_60382a002d746.pdfIn PDF document text
    • http://befotuke.mywebcommunity.org/jlab_intro_wireless_headphones_review.pdfIn PDF document text
    • http://pitijebubitos.iblogger.org/daberezakisit.pdfIn PDF document text
    • https://cdn.sqhk.co/zunowexafa/jmZ2hip/vobevuvuzisixobu.pdfIn PDF document text
    • https://cdn.sqhk.co/vitimosugu/iiKFqE4/sisters_hospital_labor_and_delivery.pdfIn PDF document text
    • http://kopuvimu.scienceontheweb.net/learn_how_to_trade_binary_options_for_beginners.pdfIn PDF document text
    • https://cdn.sqhk.co/fovipobex/tIighc8/astrorox_ice_cream_drops.pdfIn PDF document text
    • https://cdn.sqhk.co/kukisigafumi/hggijev/deep_loot_sinestar.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369161/normal_5fd2f9327d32f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471467/normal_601692fb16119.pdfIn PDF document text
    • http://bepelus.iblogger.org/what_is_spatial_structure.pdfIn PDF document text
    • https://cdn.sqhk.co/baluwofuk/XeR9Wgg/47682890294.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/8111a960-96a7-469c-a048-1b840fbab1df/how_to_identify_zener_diode_code.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5d51a4ea-98ab-4361-96ba-3e6891d6f2a0/form_an_alliance_with_a_parcel.pdfIn PDF document text
    • http://pilulozames.epizy.com/begodelunojit.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6bb0cf8a-05ec-4e7e-9aeb-5cb8400db750/how_to_open_a_wells_fargo_brokerage_account.pdfIn PDF document text
    • http://sipanokule.onlinewebshop.net/69036346132.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7cc00e4c-4b43-4b9b-9b4b-354790110c6d/rolling_computer_bag_for_17_inch_laptop.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_off0000f1c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF1C7 5336 bytes
SHA-256: eeebcedd9f20db0cb608f20d03c89a0fa4ddbffec3e046b115a6fe400481d269
font_01_sfnt_off000103cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x103CD 10316 bytes
SHA-256: 5881ba949bea2dbeb24927d3a408870fe5514579bf5aa1c4ddbd6719834ad1e1

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