Malicious PDF — malware analysis report

Static analysis result for SHA-256 e377a80eb5b14078…

MALICIOUS

PDF

47.6 KB Created: 2020-08-22 11:43:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9a221ffae1a4434454b94a234f1497c9 SHA-1: ce69271be53dd30fa341ba9d0c3d51600738be30 SHA-256: e377a80eb5b140789d2b8e3b5f05983e709373539282eb11b13f712bcb9d549a
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a significant number of embedded links, many of which point to shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL https://ttraff.cc/pify?keyword=bailey+and+love+pdf+drive, which is flagged as malicious. This suggests the document is designed to redirect users to malicious content, likely for phishing or malware distribution.

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.
  • 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.
  • 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://ttraff.cc/pify?keyword=bailey+and+love+pdf+drive
    • http://gatele.asociacionperiodistaspr.org/uploads/1/3/2/6/132696483/vevutude.pdf
    • https://cdn.shopify.com/s/files/1/0433/2906/1032/files/97847453825.pdf
    • https://cdn.shopify.com/s/files/1/0435/7649/2195/files/2010_toyota_camry_owners_manual.pdf
    • https://cdn.shopify.com/s/files/1/0437/9371/1265/files/causes_of_type_1_diabetes_mellitus.pdf
    • https://cdn.shopify.com/s/files/1/0436/1938/5504/files/27016772546.pdf
    • https://cdn.shopify.com/s/files/1/0435/5643/8165/files/rojukivegubogezi.pdf
    • https://cdn.shopify.com/s/files/1/0429/7955/7535/files/72973487239.pdf
    • https://cdn.shopify.com/s/files/1/0433/9322/0766/files/goniferunonako.pdf
    • https://cdn.shopify.com/s/files/1/0438/0209/9873/files/67411649394.pdf
    • https://cdn.shopify.com/s/files/1/0428/1755/2543/files/kalinesefesiwufuno.pdf
    • https://cdn.shopify.com/s/files/1/0437/9151/5809/files/narasimha_naidu_audio_songs_come.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/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000712c.bin
fea85c82b9aa2a31bc8f204115a8636a1a70382eb8cdd1e23d5fc0cee28bd4c5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x712C 4776 bytes
font_01_sfnt_off00008176.bin
786ee2a5bb9dcd72d0c4f779acec8475187a7f1d90bdafaee1a4582e1c738b48		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8176 10000 bytes
font_02_sfnt_off0000a3c5.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA3C5 4324 bytes

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