Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5b0ace9012c9276…

MALICIOUS

PDF

37.2 KB Created: 2020-10-30 14:52:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-11
MD5: 129afc95d7e789e0083aa03191e2f131 SHA-1: 60a6241eac11d7618f8b5a2e827db8b6df3d0ec8 SHA-256: e5b0ace9012c92762682507b0f4cf2f0e2ce903588fce0c1dd4285dabd16b929
94 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing indicating a malicious redirector link to 'https://ggtraff.ru/aws?keyword=dr+philip+goglia+test'. This URL is known to lead to malicious infrastructure, suggesting the document's primary purpose is to redirect users to a harmful site. While no scripts were explicitly extracted, the presence of embedded URLs and the ML classifier's high confidence score support the assessment of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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://ggtraff.ru/aws?keyword=dr+philip+goglia+test In PDF document text
    • https://cdn-cms.f-static.net/uploads/4369508/normal_5f893bc03fad5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4401518/normal_5f9797835266e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368496/normal_5f891bc375f9a.pdfIn PDF document text
    • https://fidurelofomus.weebly.com/uploads/1/3/0/7/130740547/vumezevo-dufomifa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368735/normal_5f8ee6e7a9ba3.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/senodiw/44133369904.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0485/7040/0928/files/coping_with_stress.pdfIn PDF document text
    • https://s3.amazonaws.com/netinuwa/wishing_well_neopets_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5696/2467/files/pes_2020_mobile_hack_apk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0494/4091/5615/files/ford_ranger_splash_bed.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3923/3960/files/manuale_digitale_art_clasa_7_biologie.pdfIn PDF document text
    • https://s3.amazonaws.com/zuxadol/vakojunabekijiverilevepi.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000054b0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x54B0 5080 bytes
SHA-256: 0eeca683f370977b884048736e12af91e1b14c0fda671264b0fc0e4f61161cb6
font_01_sfnt_off000065f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65F3 10176 bytes
SHA-256: 2dabe7446dbd48d1554b8cd4a2adae61815eca5a3dbb40ad6902b64288443c5c

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