PDF malware analysis — malicious · ebc3f32c14eeb534

MALICIOUS

PDF

38.1 KB Created: 2020-08-08 05:32:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 63ec6d5fec4d76998d8afd9cdd9ef676 SHA-1: ae8f10eb3c4cb9209a1702c56144d2107904c310 SHA-256: ebc3f32c14eeb534a33645263de5b3fb6d98c67e311ee1793ba995899bf32be8

120 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF contains a heuristic firing for a malicious redirector link, pointing to `https://ttraff.com/pify?keyword=catalogo+natura+ciclo+14+2020+pdf`. This indicates a social engineering attempt to trick the user into clicking the link. The document body, though heavily obfuscated, also contains this URL and numerous other links hosted on `cdn.shopify.com` and various other domains, suggesting a link farm or distribution mechanism for malicious content. No scripts were extracted from this sample.

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=catalogo+natura+ciclo+14+2020+pdf
- http://ponejabes.thinkinenglish.org/uploads/1/3/0/8/130874038/kokawodus.pdf
- http://files.metroeastinterfaith.org/uploads/1/3/0/9/130970009/linuwanewopa.pdf
- http://files.epathletichalloffame.org/uploads/1/3/1/4/131438324/df990e994.pdf
- http://files.mymythiclife.com/uploads/1/3/1/6/131636692/922807.pdf
- http://vurazo.joanneeve.com/uploads/1/3/0/8/130874478/xazekukukov-zagubologog-nosizo.pdf
- https://cdn.shopify.com/s/files/1/0434/3798/1852/files/u_bahn_berlin_map.pdf
- https://cdn.shopify.com/s/files/1/0430/7920/5013/files/pesozukijab.pdf
- https://cdn.shopify.com/s/files/1/0428/2603/9452/files/veseguvokararewedeb.pdf
- https://cdn.shopify.com/s/files/1/0435/5080/2081/files/85330743884.pdf
- https://cdn.shopify.com/s/files/1/0433/8991/1194/files/98262485510.pdf
- https://cdn.shopify.com/s/files/1/0433/9610/4341/files/88670647312.pdf
- https://cdn.shopify.com/s/files/1/0428/2174/6847/files/fegukakaragupur.pdf
- https://cdn.shopify.com/s/files/1/0431/0564/8801/files/belurek.pdf
- https://cdn.shopify.com/s/files/1/0440/9350/5688/files/92464879635.pdf
- https://cdn.shopify.com/s/files/1/0429/7929/5385/files/miramamolepesowufosuves.pdf
- https://cdn.shopify.com/s/files/1/0434/7687/7478/files/best_barbarian_build.pdf
- https://cdn.shopify.com/s/files/1/0430/0832/7829/files/zonasejibufovuma.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_off0000555a.bin` `a3b798ed49ac4460f1c2a772c35dae7d90f60e53eedfde641cd21bc1be71bf1d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x555A	5464 bytes
`font_01_sfnt_off00006807.bin` `10689406fe45e20ff93085471c83d3de332efa0fca097d7ed13b705b3edac8f1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6807	10792 bytes

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