Malicious PDF — malware analysis report

Static analysis result for SHA-256 a00dae3ee2619d9f…

MALICIOUS

PDF

142.2 KB Created: 2020-08-07 04:57:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: aebba48db7549b4f0454dbe117147459 SHA-1: 2195677a77314772a788f3740d8429162fe23dc2 SHA-256: a00dae3ee2619d9fb553290c78959f985e26b22f2be14639c8e402f61530525d
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.cc/pify?keyword=benefits+of+speaking+in+tongues+pdf'. This URL is presented within the document body, suggesting a social engineering lure. The ML classifier also strongly indicated maliciousness. The file is a PDF, and the presence of embedded links points towards a phishing or redirection attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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=benefits+of+speaking+in+tongues+pdf
    • http://files.sugarvedelmiesmunkavedelmikft.com/uploads/1/3/1/3/131380583/c70d7.pdf
    • http://files.lifepathchurch.org/uploads/1/3/2/7/132711954/e0c383.pdf
    • http://files.manskins.com/uploads/1/3/1/6/131606011/jolabemebago.pdf
    • https://cdn.shopify.com/s/files/1/0428/9468/8419/files/gitubasejo.pdf
    • https://cdn.shopify.com/s/files/1/0431/1692/0994/files/84615475141.pdf
    • https://cdn.shopify.com/s/files/1/0437/5651/9576/files/62815032150.pdf
    • https://cdn.shopify.com/s/files/1/0436/6457/2569/files/gagosupaxorurevokexuzudu.pdf
    • https://cdn.shopify.com/s/files/1/0428/5241/7703/files/56346875140.pdf
    • https://cdn.shopify.com/s/files/1/0429/7146/3831/files/88340018998.pdf
    • https://cdn.shopify.com/s/files/1/0438/6534/2117/files/comparative_short_and_long_adjectives_exercises.pdf
    • https://cdn.shopify.com/s/files/1/0434/5161/3334/files/tamubelaf.pdf
    • https://cdn.shopify.com/s/files/1/0428/1411/1903/files/rusifugovutukafirexum.pdf
    • https://cdn.shopify.com/s/files/1/0431/1770/7413/files/livro_liberalismo.pdf
    • https://cdn.shopify.com/s/files/1/0427/4572/5094/files/kufaxebedubo.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_off0001e5c7.bin
3cf07822e274accd1438e66f79f30c729c78fcc0f16ecc1760c6032fad3eb19a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1E5C7 5076 bytes
font_01_sfnt_off0001f724.bin
528bed670156446216b85ec352c5aba24880ba25e8c704e643892c6dd0a29c84		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1F724 11096 bytes
font_02_sfnt_off00021ccb.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333		 pdf-font-stream PDF embedded font (sfnt) at offset 0x21CCB 4324 bytes

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