PDF malware analysis — malicious · be2cfdc368f219d9

MALICIOUS

PDF

52.0 KB Created: 2020-08-08 13:20:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 5ff68a3ee12f6c3e2159197ee650e3a1 SHA-1: fa4cc9508835c5aec7645be81ebbcd211bf286f4 SHA-256: be2cfdc368f219d97c5c58fb2da4c69a684df43c7b13094df173cd36677cfc78

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains a URL that appears to be a lure for a dog training book, which redirects to the malicious ttraff.com domain. This suggests a phishing or social engineering attack aiming to redirect users to malicious infrastructure.

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.com/pify?keyword=livro+adestramento+de+caes+pdf
- http://files.artquestonline.org/uploads/1/3/1/4/131410299/wewiku.pdf
- http://files.soulfirewisdom.com/uploads/1/3/2/6/132695200/06c64d21818ba7a.pdf
- http://files.tinagutierrezartsphotography.com/uploads/1/3/0/7/130775383/remax-taxopugazaledu-fuluxibejurifuj-lavosiraleset.pdf
- https://cdn.shopify.com/s/files/1/0429/6641/7571/files/55622892015.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/72710717911.pdf
- https://cdn.shopify.com/s/files/1/0431/7279/0428/files/83067497549.pdf
- https://cdn.shopify.com/s/files/1/0434/9024/6822/files/ssc_mts_answer_key_qmaths.pdf
- https://cdn.shopify.com/s/files/1/0436/3098/5376/files/nabodawat.pdf
- https://cdn.shopify.com/s/files/1/0437/5884/6109/files/7290600986.pdf
- https://cdn.shopify.com/s/files/1/0428/1538/9855/files/korip.pdf
- https://cdn.shopify.com/s/files/1/0428/9570/4227/files/53387850774.pdf
- https://cdn.shopify.com/s/files/1/0437/7932/6110/files/nudafo.pdf
- https://cdn.shopify.com/s/files/1/0440/7453/3014/files/wenixufedomesari.pdf
- https://cdn.shopify.com/s/files/1/0432/3108/4708/files/34436291804.pdf
- https://cdn.shopify.com/s/files/1/0431/0463/2992/files/latex_problem_set_template.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006b92.bin` `b05ea5a07700af5861f0316a18568d0dfddc77adaf3b6002a5fd8143a5fa60c3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6B92	5056 bytes
`font_01_sfnt_off00007cad.bin` `e985ddee7f0afe94532c992fb13e421122d9e2063275fc139088d5c4c8bae515`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7CAD	10240 bytes
`font_02_sfnt_off00009fdf.bin` `f469c5aa689aa4c1965481b78cfaebbf1c3ebdad2306c7067134b7b4aaa0addd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9FDF	16164 bytes
`font_03_sfnt_off0000b4d8.bin` `0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB4D8	4324 bytes

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