Malicious PDF — malware analysis report

Static analysis result for SHA-256 e075309ebe8e51c8…

MALICIOUS

PDF

77.6 KB Created: 2021-03-05 21:35:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-08-20
MD5: 8a4205a3ac29a7c4eeb76ee598cdaf09 SHA-1: 8609359bfe2d3ae344eae9a0f37a7f86145930df SHA-256: e075309ebe8e51c81b2f44d4c1cd96131ec2c5b98685f279912f86b6884823da
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file contains embedded URLs and is flagged by ClamAV as Pdf.Phishing.Trojan. The document body, though partially corrupted, suggests a lure related to 'Pippi Longstocking plot summary' which redirects to a suspicious domain. The presence of multiple external URIs and a link farm heuristic indicates a phishing or malicious redirection attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7451

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/strik?utm_term=pippi+longstocking+plot+summary PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4479224/normal_601112b8e59c7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4390329/normal_602d5bbb8f7a0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416928/normal_603462f35f2c7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4477886/normal_5fc9ed3390bcd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4453734/normal_602b8258183dc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4389809/normal_5fe55038587cd.pdfIn PDF document text
    • https://biligimanud.weebly.com/uploads/1/3/1/4/131454089/muwupugaxuri.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4467038/normal_5fe09fa45e938.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4379856/normal_5fced2755f047.pdfIn PDF document text
    • https://vasigigu.weebly.com/uploads/1/3/4/6/134607878/70c5543a2e3594.pdfIn PDF document text
    • https://vedewoxid.weebly.com/uploads/1/3/0/7/130738666/9afbfbe1e5e.pdfIn PDF document text
    • http://zawixudaja.22web.org/97732624888.pdfIn PDF document text
    • https://kazodorog.weebly.com/uploads/1/3/4/9/134904699/7bff06c3.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4424405/normal_5ffa9540e6be9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368977/normal_6017a5674616f.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/d92333bc-4861-4760-b42b-6d94a3d1f036/illinois_graduated_income_tax_proposal_pros_and_cons.pdfIn PDF document text
    • http://sinalowus.epizy.com/bulandi_full_movie_filmywap.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6750309c-5569-4de7-98b1-432e2e55830a/stihl_leaf_blower_starter_rope.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fee6ebf1-7d40-46f2-bed1-5388f0de8ede/jirazuwukof.pdfIn PDF document text
    • https://fac30f9c-1bc3-4ff6-ac40-7ced1d2a170b.filesusr.com/ugd/3b7182_6834554694b34777bad71e6d21996260.pdf?index=trueIn PDF document text
    • https://f18b8dc1-3ce9-44bd-8712-01435d039869.filesusr.com/ugd/b97cba_1a88d7355bfd471486d7bc90ff72d8b7.pdf?index=trueIn PDF document text
    • http://wetegazepi.epizy.com/top_android_phone_under_rs_5000.pdfIn PDF document text
    • http://dibogazosenu.epizy.com/12038659369.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1e58c704-e3ae-428a-929d-0f41b6a037bd/46844738955.pdfIn PDF document text
    • https://1c985592-4fe2-425a-b8d2-7dc24782370c.filesusr.com/ugd/a13bc2_79dc82b253354d2eb2c66e02a426f23c.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/5a790753-c65b-42e4-99a0-2012a90ff2a3/95550220378.pdfIn 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_off00010cb2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10CB2 5432 bytes
SHA-256: df92b786f68592222965e613a76dd8a9292860f4830ebc2030d187c9e4360335
font_01_sfnt_off00011fcf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11FCF 5420 bytes
SHA-256: bd062fd1beb478fef1c0b97a646abe51805ef1172086e26c0160a3ac47f6593b

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