Malicious PDF — malware analysis report

Static analysis result for SHA-256 ddc308d2e812f23e…

MALICIOUS

PDF

85.9 KB Created: 2021-03-25 18:13:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: d17859e6e1e24efc993a76c42447b9f5 SHA-1: 6de111000f66209c0a949cbdc7790623f3cfcbf3 SHA-256: ddc308d2e812f23efbcef5b62a91d1c5fce30aa58cd7056b898f0de1ba9b88bd
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6609

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://dugedepap.ru/award?keyword=ansi+150+flange+dimensions+in+mm+pdf PDF link annotation
    • http://nomokesus.sportsontheweb.net/char_broil_analog_electric_smoker_instructions.pdfIn PDF document text
    • https://cdn.sqhk.co/dezorevukor/iehbA5Z/loanconnect_phone_number.pdfIn PDF document text
    • https://cdn.sqhk.co/kojagopomon/LDjjheq/java_jdk_mac_sierra.pdfIn PDF document text
    • http://warixedivukinat.mygamesonline.org/leneguzajolofobezur.pdfIn PDF document text
    • http://pebonemariv.mypressonline.com/buffet_restaurant_business_plan_sample.pdfIn PDF document text
    • http://1xbet-sportstavki.fun/download_hebrew_bible_with_english_translation2l5hz.pdfIn PDF document text
    • http://puzexijabin.mypressonline.com/83501127098.pdfIn PDF document text
    • https://cdn.sqhk.co/dobajinorite/jajgdjb/idle_landmarks_apk_hile.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4463552/normal_5ff669555cda3.pdfIn PDF document text
    • http://raraveluwogevuw.mypressonline.com/12628793099.pdfIn PDF document text
    • http://agencymedia-ig.com/foronusugabes2d.pdfIn PDF document text
    • http://ziwigosopijulal.mygamesonline.org/brand_identity_presentation.pdfIn PDF document text
    • http://nepoxiduvilej.scienceontheweb.net/36317464927.pdfIn PDF document text
    • http://navalny.design/72231283978ez9lw.pdfIn PDF document text
    • http://spiritstudio.ru/imagenes_de_medios_de_transporte_terrestre_antiguosqkxq7.pdfIn PDF document text
    • http://fanisore.sportsontheweb.net/kekegojotuwamov.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4443344/normal_60240a3c4adc4.pdfIn PDF document text
    • https://cdn.sqhk.co/pomiziluda/jbjbChd/brimstone_definition_webster.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/807ba3a3-bd99-427d-a61c-81d58be85848/eatsmart_precision_digital_bathroom_scale_troubleshooting.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/566ad541-daef-47ee-816e-4c69412b3d72/rekovuke.pdfIn PDF document text
    • http://kewevagisugimuw.onlinewebshop.net/pevofiwojivoz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/debc662b-a57f-4371-95e0-ceb191cb2ae2/how_to_connect_skyworth_remote_to_tv.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/05aaf6a2-35fb-4eb2-b409-150bd9868ec9/93570153184.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1c70c206-53f8-43ab-9733-d3ca116caf3d/jukevafaduxotojerevowek.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010a8e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10A8E 5572 bytes
SHA-256: 1cec3ced22fa5fdd71d17e7d1a65ec7799b3342645314744bacac1c7aee5ab0b
font_01_sfnt_off00011d85.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11D85 10884 bytes
SHA-256: 58f3afb01244f45a31877da2ebafae360a130d550d007c672f2aa091d0ea7315
font_02_sfnt_off000142f1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x142F1 17188 bytes
SHA-256: 8075f9dc9ac97d903ef4d65be9cbdb566f0c06cabe7be0f0341e582962a0b506

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