Malicious PDF — malware analysis report

Static analysis result for SHA-256 215ed094e6baafab…

MALICIOUS

PDF

83.3 KB Created: 2020-12-24 21:55:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-24
MD5: 40899eaff2b4c289b781034e71ac8318 SHA-1: 2976435219ebadfbd02542bd61c8aa16f0485ded SHA-256: 215ed094e6baafabe1ee00d518af0cfeccff13352030b19c16360d432319e7a9
214 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector infrastructure. The heuristic firings indicate a malicious redirector and a link farm, suggesting the document's primary purpose is to drive traffic to malicious sites. Although no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • 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.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://gettraff.ru/aws?utm_term=online+party+invitations+template In PDF document text
    • https://siregudak.weebly.com/uploads/1/3/0/7/130738759/niluja.pdfIn PDF document text
    • https://cdn.sqhk.co/tezakagadol/lgfEgdR/sunewatuzunopiruzebeme.pdfIn PDF document text
    • https://zevebijupaxize.weebly.com/uploads/1/3/4/7/134754497/zakujojoguz_rijekufuno.pdfIn PDF document text
    • https://cdn.sqhk.co/makafabakuna/ijmhcic/60745819177.pdfIn PDF document text
    • https://cdn.sqhk.co/pitewomepe/CDsUgcu/35352156987.pdfIn PDF document text
    • https://takewinedol.weebly.com/uploads/1/3/4/7/134768260/vokupazo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366665/normal_5f87def0ac704.pdfIn PDF document text
    • https://cdn.sqhk.co/bujavenizake/6TgcGCU/angry_monster_city_attack.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/wipotegadodorek/77988500682.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fb7b3e8b-cde9-4179-89f5-2f33a16350e5/pleco_chinese_dictionary_for_pc.pdfIn PDF document text
    • https://s3.amazonaws.com/nisiwanolom/tofelawefubusa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cd2e5414-62b1-4670-b1ab-6a99d8e80a19/google_images_upload.pdfIn PDF document text
    • https://s3.amazonaws.com/petuzutemixuvod/vijuvaxazesajetegana.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fba0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFBA0 4944 bytes
SHA-256: 600f0583b29ea451941446860be427011b5628ac3184c304f5479581aceaf8ef
font_01_sfnt_off00010c54.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10C54 10976 bytes
SHA-256: 76e9d1e544c4d758c6ffc7d8255337d7d222120c8dfa8bfb394f3571ee7b915f
font_02_sfnt_off000131d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x131D3 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

Open this report in the interactive analyzer, or submit your own file for analysis.