PDF malware analysis — malicious · c1617196e4a78bb8

MALICIOUS

PDF

38.3 KB Created: 2020-08-08 16:11:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b6561f373381fe3b0ebb076a2200c184 SHA-1: 5872f4ac42abb37e29e8cad845d97a201f334ac8 SHA-256: c1617196e4a78bb830cff57648e999d7fd69cb2fa7ceec6ad8d70cdb89ce4584

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Phishing: Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a high number of embedded links, many of which point to Shopify domains, but one critical link redirects to a known malicious domain, ttraff.com. This suggests a link farm or SEO poisoning attack designed to lure users to malicious content. The document body, though heavily obfuscated, contains the target URL, reinforcing the phishing lure.

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.com/pify?keyword=principles+of+naval+architecture+vol+iii+pdf
- http://gekar.deymetta.com/uploads/1/3/0/7/130776644/zepevudetuvuf.pdf
- http://files.academyofdancend.com/uploads/1/3/0/7/130775645/2695219.pdf
- http://moduzul.cissnaparklibrary.com/uploads/1/3/1/6/131637881/darazasa.pdf
- https://cdn.shopify.com/s/files/1/0430/5757/8138/files/anisocoria_trauma.pdf
- https://cdn.shopify.com/s/files/1/0430/9378/6791/files/tigogedejunewobajasu.pdf
- https://cdn.shopify.com/s/files/1/0428/4396/3548/files/titojabododi.pdf
- https://cdn.shopify.com/s/files/1/0437/6189/3534/files/english_to_german_basic_words.pdf
- https://cdn.shopify.com/s/files/1/0433/2060/6885/files/18539265522.pdf
- https://cdn.shopify.com/s/files/1/0430/6268/9946/files/gezara.pdf
- https://cdn.shopify.com/s/files/1/0447/4057/5381/files/genetically_modified_organisms_in_agriculture_economics_and_politics.pdf
- https://cdn.shopify.com/s/files/1/0433/1415/1589/files/81204628656.pdf
- https://cdn.shopify.com/s/files/1/0434/1386/4615/files/61509264237.pdf
- https://cdn.shopify.com/s/files/1/0437/6212/2903/files/disetivazusuwazogapukepuw.pdf
- https://cdn.shopify.com/s/files/1/0437/1808/2711/files/konefeg.pdf
- https://cdn.shopify.com/s/files/1/0432/2426/8968/files/rumovivefabunevowisove.pdf
- https://cdn.shopify.com/s/files/1/0435/5624/1557/files/68642253132.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00004994.bin` `364696beda6096c732167ce364f10f8cbcdf83b83e9d01e0369636293fab563c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4994	5304 bytes
`font_01_sfnt_off00005b94.bin` `9b8848035074e379ec8cdfd2f49c8b36ca5524f83f6a7df5f30502efb8d45a63`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5B94	6032 bytes
`font_02_sfnt_off00006b27.bin` `f35d78690849e9a352869255997ada656ca736ed806a56a167aca21026fa929d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6B27	9500 bytes

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