Malicious PDF — malware analysis report

Static analysis result for SHA-256 952f6d447af4ac63…

MALICIOUS

PDF

74.9 KB Created: 2020-12-18 03:06:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: e7448b4edb1680e58a442f389af3b9ca SHA-1: 0def8ab6818e67b89b02cbb9ae67f89c622a00dc SHA-256: 952f6d447af4ac63d28905dc5e8657b3c067eb06c2cb07a1dce3e8a0860b04f2
214 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF file contains multiple embedded links, with one identified as a known malicious redirector. The heuristic PDF_SEO_LINK_FARM indicates a large number of external PDF links, suggesting an attempt to manipulate search engine results or distribute further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://traffmen.ru/strik?utm_term=aasimar+healing+hands In PDF document text
    • https://dewajijivixire.weebly.com/uploads/1/3/4/6/134638152/tuzokagofaxul.pdfIn PDF document text
    • https://pekireraseg.weebly.com/uploads/1/3/4/7/134720831/66d4a1a38.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403684/normal_5f95660e2c154.pdfIn PDF document text
    • https://tixanesel.weebly.com/uploads/1/3/4/2/134234664/nutisugeta.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409238/normal_5faba84e45110.pdfIn PDF document text
    • https://wuwuxetu.weebly.com/uploads/1/3/4/8/134897280/467a335c16cab5b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374682/normal_5f8f295e79900.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://static1.squarespace.com/static/5fc595f040f1034a5cc8b612/t/5fce7b2754f0b211011edc21/1607367464189/fighting_star_mod_apk_rexdl.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0fe012e537a05ef0995e2/t/5fc1b9343c6ccf69f39e6030/1606531381642/sasidilige.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0e526c6229360ecacefcf/t/5fc3dfe53570fb44d17a0b08/1606672358224/72053005196.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcf7d2b7a66e04eaf45ed5/1606219730180/how_do_i_make_a_line_of_best_fit_on_desmos.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd2924cb8e252b353dd7fc/1606232357224/chrono_cross_pip_guide.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe03f5e6d49a06bb57cdcf/1606288375218/the_son_book.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc5d031e2fce462bcad9e70/t/5fd5f0b8034a586a4f384f34/1607856313158/mefonukutudotubaj.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc5b8d3ec917750a3f8a333/t/5fcb2c7685bc3a28a6065977/1607150710321/art_of_war_sun_tzu_indonesia.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_off0000da31.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA31 4828 bytes
SHA-256: c9f6876f7e60faec6ce8f88698abd747f1875707d555bef59129d3dc0f821121
font_01_sfnt_off0000ea4d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA4D 11124 bytes
SHA-256: 511708450b667c9217eaa88efc8d5c13a0c8ef39e51b722d412d68152273d475
font_02_sfnt_off0001103c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1103C 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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