PDF malware analysis — malicious · 99accef0e7330d1e

MALICIOUS

PDF

41.0 KB Created: 2020-08-03 10:31:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 72930638e024439b087d5e1225765e8e SHA-1: ce9ff143e94a295bfc164bc93cf92e3a82b41c50 SHA-256: 99accef0e7330d1ef2e295574c272990aff03c74e3fc86334e1fb719b458644a

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of embedded links, with many pointing to a redirector service (ttraff.cc). This suggests a phishing or malicious content delivery scheme where the redirector is used to obscure the ultimate destination. The presence of a large link farm further supports this, indicating an attempt to generate traffic or distribute malicious content through numerous external references. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the direct user-facing content.

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=gungeon+infuriating+note
- http://pedewaka.literacycenterofharlingen.org/uploads/1/3/1/4/131453494/7651236.pdf
- http://files.takeorffinutah.com/uploads/1/3/1/3/131383342/0617c62.pdf
- http://files.hartwoodnorthfarm.com/uploads/1/3/0/9/130969735/86587.pdf
- http://files.robheaslip.com/uploads/1/3/2/7/132711999/sixerolawu.pdf
- https://cdn.shopify.com/s/files/1/0433/2634/1272/files/62029512766.pdf
- https://cdn.shopify.com/s/files/1/0429/7955/7535/files/kodetivasirisebotabumusem.pdf
- https://cdn.shopify.com/s/files/1/0434/7589/4422/files/31680175582.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nemevisofopanufu.pdf
- https://cdn.shopify.com/s/files/1/0440/0647/3886/files/12021039726.pdf
- https://cdn.shopify.com/s/files/1/0431/1570/8580/files/65585899054.pdf
- https://cdn.shopify.com/s/files/1/0436/9471/9131/files/5309938584.pdf
- https://cdn.shopify.com/s/files/1/0430/5331/8306/files/51881237423.pdf
- https://cdn.shopify.com/s/files/1/0429/3741/7891/files/kovenam.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kemisavixazesunomezixe.pdf
- https://cdn.shopify.com/s/files/1/0429/9735/0554/files/lujilefavokiwav.pdf
- https://cdn.shopify.com/s/files/1/0434/8762/5369/files/45296785354.pdf
- https://cdn.shopify.com/s/files/1/0438/4574/6838/files/mobitiwuv.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tolipokegegami.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_off0000645c.bin` `8c4d68f3ce5d5fa9a3325b7fad18eff72736e1380913a468f44912c46ecc093d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x645C	4756 bytes
`font_01_sfnt_off000074a1.bin` `363b922539aa304a68753836c914283ab14db4ea680b8a3cf0e255a44d05b002`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x74A1	10088 bytes

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