PDF malware analysis — malicious · 26a8c0b2c090c1c4

MALICIOUS

PDF

39.2 KB Created: 2020-07-17 18:39:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 47690d98e678917fc7a11179a28a78a1 SHA-1: 436414558664b2b6edbbe06176e05db1a51691a1 SHA-256: 26a8c0b2c090c1c4c08b9d1ddc12af377ca0202640a3187edc14f0bd3fcf9e95

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass external link farm, with many links pointing to WordPress hosted PDFs, likely to obscure malicious redirector infrastructure. One critical heuristic firing indicates a direct link to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains keywords related to 'pdf gratuit' suggesting a lure for free PDF downloads. 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/wb?keyword=bescherelle%20%C3%A9cole%20pdf%20gratuit
- http://files.simplydivinesuds.com/uploads/1/3/1/4/131407812/23f3d849.pdf
- http://files.triadchristian.org/uploads/1/3/1/0/131070579/tuxem.pdf
- http://files.galwayplayers.org/uploads/1/3/1/3/131397973/lusunikefojefa.pdf
- https://mupabuk
- https://dajakogeme.files.wordpress.com/2020/07/sikewazupuditumawasijod.pdf
- https://vodefewosiru.files.wordpress.com/2020/07/sefefabijopipebikisibif.pdf
- https://jugafifider.files.wordpress.com/2020/07/gomapefik.pdf
- https://mupabuk.files.wordpress.com/2020/07/10103691599.pdf
- https://vitasaven.files.wordpress.com/2020/06/42310920945.pdf
- https://mizavilib603260201.files.wordpress.com/2020/06/62000800813.pdf
- https://sexedituf.files.wordpress.com/2020/07/gesoxaritefenemedonolela.pdf
- https://jedawixi.files.wordpress.com/2020/06/javesixap.pdf
- https://benawuwu.files.wordpress.com/2020/07/powopowa.pdf
- https://cdn.shopify.com/s/files/1/0427/7560/9510/files/58651026178.pdf
- https://cdn.shopify.com/s/files/1/0427/7148/0742/files/xuwijubulodumajotixo.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/88075317933.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xumilegimazuguvabunozanik.pdf
- https://cdn.shopify.com/s/files/1/0432/1358/6600/files/wunelewawutuf.pdf
- https://cdn.shopify.com/s/files/1/0435/2222/8376/files/donowivonaso.pdf
- https://cdn.shopify.com/s/files/1/0430/6714/6397/files/pudozidezavol.pdf
- https://cdn.shopify.com/s/files/1/0427/4218/6150/files/datexerudizewavu.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_off000059d1.bin` `680dd9988140ea7a94a9270fb13455c45465b13388b5e0d0544ee577a624cc63`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x59D1	5384 bytes
`font_01_sfnt_off00006bf2.bin` `547fd2e26f9534f8704fe0f6742136a58b0f49f7b7a7aead464c45e3ca17ae48`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6BF2	10412 bytes

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