Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e1ac592ff0cdd96…

MALICIOUS

PDF

80.9 KB Created: 2021-03-31 08:46:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: f11c5488ca97d222e0bc355379ce0880 SHA-1: 49264f530a769380c3078a9cf8ca2cd3e8a7f402 SHA-256: 9e1ac592ff0cdd96574806ef000c4beb534c7656a6e2f6893e326cc4421a4a28
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment 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 0.9983

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
  • 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.
  • 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://vilenefex.ru/wix?keyword=app2sd+apk+pro PDF link annotation
    • https://gunimesugudux.weebly.com/uploads/1/3/0/7/130776745/eb9298f14.pdfIn PDF document text
    • https://tafulagi.weebly.com/uploads/1/3/4/6/134608062/7973898.pdfIn PDF document text
    • http://catsism.com/used_saltwater_fishing_reels_for_salebskws.pdfIn PDF document text
    • https://wudatoguji.weebly.com/uploads/1/3/4/8/134885495/2458654.pdfIn PDF document text
    • http://m-ryanaf.site/1698293899773oqr.pdfIn PDF document text
    • http://usene.xyz/1492804197exem5.pdfIn PDF document text
    • http://hookup750.website/easy_way_to_draw_a_dog_headi50cp.pdfIn PDF document text
    • http://changepass.online/ukulele_strumming_patterns_4_4d4fg6.pdfIn PDF document text
    • http://procripton.com/dedomopcdhp.pdfIn PDF document text
    • http://vannabanyavsedela.xyz/adt_iq_panel_manualv4l1s.pdfIn PDF document text
    • https://razosuxox.weebly.com/uploads/1/3/4/7/134719946/7f440deeee.pdfIn PDF document text
    • https://puriruwuz.weebly.com/uploads/1/3/5/3/135395363/6179041.pdfIn PDF document text
    • http://ontrade.top/sell_warframe_account52phm.pdfIn PDF document text
    • http://unreguezff.rest/9325367955hom7i.pdfIn PDF document text
    • http://verifybadgehelp.com/telemedicine_applicationsa3ope.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://s3.amazonaws.com/fulosobezur/bamboo_vs_cotton_vs_microfiber_sheets.pdfIn PDF document text
    • https://s3.amazonaws.com/tobovunoberiki/folland_real_analysis_solution_manual.pdfIn PDF document text
    • https://3e1d1bad-f645-4ebd-ac75-469e7ff7c972.filesusr.com/ugd/e745be_5a05de2dd560470cbe12777c2455b6eb.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/bulalowisu/78997303998.pdfIn PDF document text
    • https://89e5ed4a-33eb-42a6-b5f1-9fc07ea1e15b.filesusr.com/ugd/ff68bb_b8b8d372c7844a82a12c3a216679adba.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/lixuzo/do_jeeps_still_have_transmission_issues.pdfIn PDF document text
    • https://s3.amazonaws.com/fixararololu/gangsta_s_paradise_instrumental_with_choir.pdfIn PDF document text
    • https://72cee60b-533f-4fda-9f40-87b1bb6f0553.filesusr.com/ugd/590778_9946f368df5f4356bddbfa8620a66771.pdf?index=trueIn PDF document text
    • https://0c2a7d7b-be9d-4ef2-a94c-09ca905cc17d.filesusr.com/ugd/7d21c0_9a4e978ae602464daeef34ef51aff43f.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/fejififimaketo/70-411_book_free_download.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
    • 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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000da24.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA24 5104 bytes
SHA-256: 457b0be0ecea2fe141215a16eb672d00e6a8d1e9390db1aec26352f252de2ee8
font_01_sfnt_off0000eb90.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB90 2328 bytes
SHA-256: 3702365b3034b9d7945da23b991b5e2ac3f8bb06d1ba3be7e5ba1b5d8dd48c9f
font_02_sfnt_off0000f64a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF64A 11860 bytes
SHA-256: d6242a3080e22ef724aa2447d9eda2ba22c49b6a2a732c1114bef7031da78683
font_03_sfnt_off00011cde.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11CDE 16988 bytes
SHA-256: ae2fc9a1facbf61d8968b36683d1a52421222a2f51032247e96ef581ff39d8ae

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