PDF malware analysis — malicious · a2000b3759389d7d

MALICIOUS

PDF

47.9 KB Created: 2020-07-27 14:07:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b4e7de593363ee1e661ee1c2df169bff SHA-1: bcf83595bae6b1b20d229763453a6704d80e333e SHA-256: a2000b3759389d7d837c3c5dfa7da83b0825e373ab9de57a1c10fb3a5d77c32e

130 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF file contains multiple links, including one pointing to a known malicious redirector (ttraff.cc). The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms this, indicating a phishing or malware delivery attempt. The presence of a visual download button lure further supports this, suggesting the document is designed to trick users into clicking the malicious link. No scripts were extracted, limiting the analysis of the payload.

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.cc/pify?keyword=calcutta+university+application+form
- http://files.bensawyermusic.co.uk/uploads/1/3/2/7/132740218/kelupotamevivok.pdf
- http://files.dakotadesigns.net/uploads/1/3/2/6/132683463/risiniziwuromud.pdf
- http://files.brookfieldacademyeducationfoundation.com/uploads/1/3/1/4/131406288/9cbedc2f.pdf
- http://files.heartxoutfitters.com/uploads/1/3/0/8/130814342/5789527.pdf
- https://cdn.shopify.com/s/files/1/0431/3019/2039/files/mewojobewusowugizukafese.pdf
- https://cdn.shopify.com/s/files/1/0432/9721/0532/files/66437559243.pdf
- https://cdn.shopify.com/s/files/1/0431/9579/3568/files/22284899921.pdf
- https://cdn.shopify.com/s/files/1/0430/2284/4067/files/nekanepofuzujasetoga.pdf
- https://cdn.shopify.com/s/files/1/0429/7588/7523/files/26926001896.pdf
- https://cdn.shopify.com/s/files/1/0437/7244/4823/files/jovisewuxo.pdf
- https://cdn.shopify.com/s/files/1/0434/4587/8941/files/fonigevatumaponujanu.pdf
- https://cdn.shopify.com/s/files/1/0427/4028/5607/files/kunegovejovitoxiza.pdf
- https://cdn.shopify.com/s/files/1/0433/2073/7950/files/13644220876.pdf
- https://cdn.shopify.com/s/files/1/0435/8445/4817/files/99181184223.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/
- https://cdn.shopify.com/s/files

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00007dce.bin` `bd649a31ec38bb2714ed83f502eda1a7d8b3d50c7a7237e863c5637a2312999f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7DCE	5228 bytes
`font_01_sfnt_off00008f8c.bin` `69c2e2edc832499642720a524e19a2805990a253f03ca854322a0dbf877e2f0e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F8C	10268 bytes

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