Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7c506534081337f…

MALICIOUS

PDF

98.0 KB Created: 2021-01-21 00:11:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 0989039bddd6ccf08113812c1facbd8c SHA-1: f9b5c027b4cc2e4deeb945b32ea0a0afa30907d9 SHA-256: d7c506534081337f8b1587c5c9506857c85ce0860ace0e9dc193e09466209e3e
154 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, which is disguised as a search result. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were extracted, the embedded URL is the primary indicator of compromise, likely leading to a phishing or malware download site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • 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.
  • 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/123?utm_term=wii+virtual+console+wads+google+drive In PDF document text
    • https://site-1242625.mozfiles.com/files/1242625/android_textinputlayout_error_background.pdfIn PDF document text
    • https://site-1249680.mozfiles.com/files/1249680/copperplate_calligraphy_worksheets.pdfIn PDF document text
    • https://site-1175610.mozfiles.com/files/1175610/facebook_messenger_video_call_recorder_for_android.pdfIn PDF document text
    • https://site-1171720.mozfiles.com/files/1171720/how_can_i_repair_my_leather_car_seats.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/lomuper/bootstrap_thumbnail_slider_free.pdfIn PDF document text
    • https://s3.amazonaws.com/taturi/jexivexobepupiritamewu.pdfIn PDF document text
    • https://s3.amazonaws.com/zuses/25035138755.pdfIn PDF document text
    • https://s3.amazonaws.com/tujeviwakirawu/reliasoft_blocksim_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/gofilafixu/75967631598.pdfIn PDF document text
    • https://s3.amazonaws.com/dadupawo/pre_screening_interview_template.pdfIn PDF document text
    • https://s3.amazonaws.com/mokixetat/50035664503.pdfIn PDF document text
    • https://s3.amazonaws.com/jovekus/xoras.pdfIn PDF document text
    • https://s3.amazonaws.com/tubupejevomo/12896520304.pdfIn PDF document text
    • https://s3.amazonaws.com/povodijirig/reniwufum.pdfIn PDF document text
    • https://s3.amazonaws.com/remuv/94450714749.pdfIn PDF document text
    • https://s3.amazonaws.com/mamukawaxatali/brush_tool_photoshop_cs5_free.pdfIn PDF document text
    • https://s3.amazonaws.com/jemazejodep/autumn_leaves_classical_guitar_tab.pdfIn PDF document text
    • https://s3.amazonaws.com/bugutaj/internal_audit_plan_sample.pdfIn PDF document text
    • https://s3.amazonaws.com/zakunafu/amazing_grace_my_chains_are_gone.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010f50.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10F50 5272 bytes
SHA-256: 27d06ea92516f7561120acc0e5b1c7bfc8c5098f58720380f530e50a0eccc876
font_01_sfnt_off00012162.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12162 16824 bytes
SHA-256: 601c9710bda72d8beeaf0e3f0cd8d781c15e8295e98db2146a2b5999ac3edbf9
font_02_sfnt_off0001556a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1556A 21552 bytes
SHA-256: 01e7454fa323c0721bf99f3c04437c300c87a770b17dc62a65b5cb2a5892244b

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