PDF malware analysis — malicious · 31d685a5efc6b221

MALICIOUS

PDF

37.9 KB Created: 2020-08-31 14:12:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 84fdfef2610f17ac062f1bc2f4c7d256 SHA-1: ca3cc23e7e595e606567f55ce4934233c8fc9775 SHA-256: 31d685a5efc6b221b4369e66f31e13e2dbc77a438e0cba2f52ed927ea2f37611

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.com'. Additionally, it exhibits a PDF link farm heuristic, with numerous links pointing to Shopify domains, likely for obfuscation or to host further payloads. The presence of a visual download button lure reinforces the social engineering aspect of this document. No scripts were extracted, but the primary attack vector appears to be user interaction with the malicious link.

Heuristics 4

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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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/wix?keyword=abhiyum+naanum+songs++masstamilan
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/47948794002.pdf
- https://cdn.shopify.com/s/files/1/0431/9238/5700/files/71386844741.pdf
- https://cdn.shopify.com/s/files/1/0428/2790/7239/files/japozibifuwi.pdf
- https://cdn.shopify.com/s/files/1/0433/0189/6347/files/jusejabe.pdf
- https://cdn.shopify.com/s/files/1/0429/3325/6345/files/jitubefiwaj.pdf
- https://cdn.shopify.com/s/files/1/0432/1571/6516/files/40271284579.pdf
- https://cdn.shopify.com/s/files/1/0437/5812/5207/files/97494553578.pdf
- https://cdn.shopify.com/s/files/1/0429/5491/5993/files/titesaf.pdf
- https://cdn.shopify.com/s/files/1/0433/5131/0488/files/5964184822.pdf
- https://cdn.shopify.com/s/files/1/0434/2389/1618/files/lamadu.pdf
- https://cdn.shopify.com/s/files/1/0430/7186/4993/files/pabukamosutudiz.pdf
- https://cdn.shopify.com/s/files/1/0440/6870/0310/files/vezurazipune.pdf
- https://cdn.shopify.com/s/files/1/0431/1157/9809/files/65335322890.pdf
- https://cdn.shopify.com/s/files/1/0435/9494/0575/files/chac_mool_english.pdf
- https://cdn.shopify.com/s/files/1/0432/9809/5272/files/pro_tools_8._0_download.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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005560.bin` `22379af6ff1a311f00a4c636b8e888dbda23a73664802462b61c2c6623b1302a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5560	5236 bytes
`font_01_sfnt_off00006713.bin` `7c02f8d0ba9ea8922a9b6b671edea6faf867c6e099677e73a82184373259b601`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6713	10792 bytes

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