Malicious PDF — malware analysis report

Static analysis result for SHA-256 775bbac3e8e95900…

MALICIOUS

PDF

55.8 KB Created: 2021-03-14 00:37:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 469a8f47d0885276210f7e333fea0c73 SHA-1: cc7047bead47bb25da9148a4ce7c6f8c141ae87d SHA-256: 775bbac3e8e9590090d76264c916a23597fd738cb8753f8471c427dc5d3ad8b1
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 0.7306

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://soxebez.ru/award?keyword=administracion+financiera+contemporanea+moyer+pdf PDF link annotation
    • http://tramlaweq.online/foperutokonafugodovemeg0unjy.pdfIn PDF document text
    • http://copyright-help-report.com/punaxapuvuwi56a.pdfIn PDF document text
    • http://giwosoto.sportsontheweb.net/16677311854.pdfIn PDF document text
    • http://bumalutaf.iblogger.org/kapiboritusikuzetonipapi.pdfIn PDF document text
    • http://gatowixipeba.mywebcommunity.org/84541939738.pdfIn PDF document text
    • http://suzofovolavuk.scienceontheweb.net/22109103732.pdfIn PDF document text
    • http://kuzojud.66ghz.com/kitchenaid_oven_self_clean.pdfIn PDF document text
    • http://doucheop.xyz/pogozupiboripubidimulogimkpdrn.pdfIn PDF document text
    • https://cdn.sqhk.co/kezulegol/hhcjihe/20967774842.pdfIn PDF document text
    • http://fejofezipekow.iblogger.org/vidufiguxuzetaketu.pdfIn PDF document text
    • http://saletipaja.22web.org/bobiferisosujakexuda.pdfIn PDF document text
    • https://cdn.sqhk.co/nowavutu/jikgcid/botasifur.pdfIn PDF document text
    • http://uspeh.icu/shakespeare_macbeth_act_14nd75.pdfIn PDF document text
    • http://help-copyrighteamservice.com/gixalavavejasetuvaraf0ievc.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/284007e6-c5bc-4924-b895-6279967ffcec/4042686795.pdfIn PDF document text
    • https://s3.amazonaws.com/wizomoravazub/sorafobulelazetezagivot.pdfIn PDF document text
    • https://s3.amazonaws.com/vitelitubovuluj/hearthstone_arena_helper_android.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/635be82e-82f9-4b38-b2e8-9b332707d1dc/98847456238.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c36f7a11-a339-417f-ac71-fae47480873e/casio_pcr-t273_electronic_cash_register_8_department_keys.pdfIn PDF document text
    • http://napalujimawoz.rf.gd/21484758323.pdfIn PDF document text
    • http://ziwemasux.myartsonline.com/30370071673.pdfIn PDF document text
    • http://duziroro.myartsonline.com/iata_country_codes.pdfIn PDF document text
    • https://s3.amazonaws.com/jonora/veximulelogo.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c885.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC885 5148 bytes
SHA-256: 170479ab70e4c4481566284c025c382ac9fb94d78f5dc00eac8be44ad30cdd2e

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