Malicious PDF — malware analysis report

Static analysis result for SHA-256 e08c9ff81de4a9b7…

MALICIOUS

PDF

69.7 KB Created: 2020-11-20 08:40:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 782cf2e4a251d9fe2489c1d896cbbedd SHA-1: 12e610cf43e2ecc5377da83da9277c8d9c20797f SHA-256: e08c9ff81de4a9b722973b58259a884564cf86928a713c1d1a5f0f93d34bd1ff
234 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by multiple heuristics, including a critical finding for linking to known malicious redirector infrastructure. The embedded links, such as 'https://gettraff.ru/123?utm_term=scottsdale+villa+mirage+directions', suggest an attempt to direct users to harmful sites. The presence of numerous external PDF links also indicates a potential link farm or SEO manipulation tactic.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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.
  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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=scottsdale+villa+mirage+directions
    • https://cdn-cms.f-static.net/uploads/4366665/normal_5f979236c0ded.pdf
    • https://vozexipazaxa.weebly.com/uploads/1/3/4/4/134444785/senawuzemuf_gemuwe.pdf
    • https://temazojirilezin.weebly.com/uploads/1/3/2/3/132302863/5757701.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://s3.amazonaws.com/geradi/omnitech_14-sheet_cross-cut_shredder_manual.pdf
    • https://uploads.strikinglycdn.com/files/56a650f1-3ec4-448a-a493-f97f25d147e5/miller_heiman_book.pdf
    • https://uploads.strikinglycdn.com/files/9250f1a7-4796-45c6-8008-13787b3f5c99/bozawerevukala.pdf
    • https://s3.amazonaws.com/vixuwogetiv/nafinilete.pdf
    • https://uploads.strikinglycdn.com/files/7afb3b71-356d-4e0d-8434-d3960024c89b/nopizawetuxoretebuwek.pdf
    • https://uploads.strikinglycdn.com/files/36a545c7-c741-44f0-8682-34aeede06910/muguto.pdf
    • https://uploads.strikinglycdn.com/files/647cb27c-68f8-4238-bf60-44902e76a619/sap_accounting_software_free_download.pdf
    • https://s3.amazonaws.com/zeworibuzoza/88694580454.pdf
    • https://uploads.strikinglycdn.com/files/1d9b1741-4511-4244-8100-0d4680ca76dd/41831762197.pdf
    • https://uploads.strikinglycdn.com/files/abe2e874-86cc-476f-8099-04b592e80146/15461611926.pdf
    • https://uploads.strikinglycdn.com/files/0fe6d32e-b733-4e29-ac18-5f73bf18170c/31368221874.pdf
    • https://s3.amazonaws.com/susopuzupure/mifivumaruj.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c3dd.bin
7b3182f72c8ff68914b78a68db6cb4f69de0e90705b593312446449ffb3a4ecb		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC3DD 5208 bytes
font_01_sfnt_off0000d56f.bin
9578437ee327d165741d357a85b01ef81ed5346b0c3e1cfb57d5235f31fea061		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD56F 11088 bytes
font_02_sfnt_off0000fb3f.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFB3F 4324 bytes

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