Malicious PDF — malware analysis report

Static analysis result for SHA-256 3aeaee36f9a9f71e…

MALICIOUS

PDF

90.8 KB Created: 2021-03-10 06:12:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 474a0a2234fa1417054580691352ead5 SHA-1: 75b4cace4e6f59b30519cae9bb00e1f6c11e664a SHA-256: 3aeaee36f9a9f71eceab401734787dad5567df4bda5d11e9eb0047812113adc6
186 Risk Score

Malware Insights

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

The PDF file contains numerous external links, many pointing to disposable hosting, suggesting a link farm or phishing attempt. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as Pdf.Phishing.Trojan. The embedded URLs are likely used to redirect users to malicious sites for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 6

  • 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 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.
  • 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://lozipotod.ru/award?keyword=theory+of+bergman+spaces+pdf PDF link annotation
    • https://s3.amazonaws.com/jidosatikim/wofafagofidejim.pdfIn PDF document text
    • http://kujamemapevubu.mypressonline.com/25477962098.pdfIn PDF document text
    • http://tejowigasinafu.getenjoyment.net/ver_pelicula_doa_barbara_con_maria_felix.pdfIn PDF document text
    • https://s3.amazonaws.com/gekixadonuru/are_hitachi_tvs_good_quality.pdfIn PDF document text
    • https://s3.amazonaws.com/paxunu/zuleverexero.pdfIn PDF document text
    • http://tofotibuwul.sportsontheweb.net/lodaguxogugovumin.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://ad9e3d1f-bb22-46ca-892e-b6aa3325a756.filesusr.com/ugd/837d34_1f3588622693400198ac9c7902541c11.pdf?index=trueIn PDF document text
    • https://0b21792c-a699-4cf4-8833-5910c6ad58af.filesusr.com/ugd/b0b521_49d0491b2f5f4ec994b928dd91238c91.pdf?index=trueIn PDF document text
    • https://c6926203-1eb9-401e-9afa-11f61f201807.filesusr.com/ugd/685707_d039847eae61412e8922563fabf739bd.pdf?index=trueIn PDF document text
    • https://5c839259-519f-4cee-a1a2-6639d654070b.filesusr.com/ugd/140efa_370087473c904f1cb02d57d3be22da4e.pdf?index=trueIn PDF document text
    • https://d09251a9-b09e-4077-8ccb-24037f005f7b.filesusr.com/ugd/a6ce17_55eb67c8dab44be1a41ce76fb006748b.pdf?index=trueIn PDF document text
    • https://4a5660cc-52a2-48ff-9acb-4b4f1704cb6e.filesusr.com/ugd/81868d_b27c7af1f01546a69ac66594e0a792b5.pdf?index=trueIn PDF document text
    • http://jabejanaboz.atwebpages.com/which_chapter_of_bhagavad_gita_is_the_best.pdfIn PDF document text
    • https://d8d078ea-10ec-4787-8e21-ef6e32b87a24.filesusr.com/ugd/8f6098_fe2a7c54dab240eab573be10cf103690.pdf?index=trueIn PDF document text
    • https://e29a9437-b0a5-48a6-9afa-908397ce514a.filesusr.com/ugd/16a9c1_df6f522643d24cf9ab2253dd0814faa9.pdf?index=trueIn PDF document text
    • https://f904ef53-caa1-4f0f-8a97-c50675c03ece.filesusr.com/ugd/2f8cea_cbc0686ceb974162be7fdae67e39b772.pdf?index=trueIn PDF document text
    • https://c46c713f-5e69-4c64-aad4-d86f29440f76.filesusr.com/ugd/957c7b_cd43f72dd87a4214831d16ffa8e0d527.pdf?index=trueIn PDF document text
    • https://4a5660cc-52a2-48ff-9acb-4b4f1704cb6e.filesusr.com/ugd/81868d_f46afe1fe5854a06a7fa35ee38968b3f.pdf?index=trueIn PDF document text
    • https://484a0fbd-04e0-416f-b335-41eb3f66808b.filesusr.com/ugd/228afb_9a4c7d5c75fe42a3abb1f0051f0b6a34.pdf?index=trueIn PDF document text
    • http://sakogabutal.onlinewebshop.net/55846061410.pdfIn PDF document text
    • https://fb5b3b17-6e6a-47c5-ae49-26eddba71e57.filesusr.com/ugd/aff7be_6f50684329b44df4adcc518f7814c958.pdf?index=trueIn PDF document text
    • https://d6ac5066-27fc-4e71-a07d-b30af50dfe8b.filesusr.com/ugd/934fc3_5a0828414293460eaa18c4f88c83eb56.pdf?index=trueIn 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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fc2a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC2A 5728 bytes
SHA-256: 09b25c50cad6806b849743a2b884da8c606208f37e3fe7aa41e1fd655b5949bd
font_01_sfnt_off00010f80.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10F80 17144 bytes
SHA-256: 459941a01f7ddf70c84300026babf32e93a70e5742e42962b1f87af03d3f8da5
font_02_sfnt_off0001462b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1462B 16192 bytes
SHA-256: 37118fc4cde3d12a667f22131ddcf2a1d5314751bfce97b7c0e91f749f3b5aca