PDF malware analysis — malicious · 357f117a3ba27e12

MALICIOUS

PDF

41.9 KB Created: 2020-08-14 18:32:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 475088b3dcadbdb51fd56870a6666fff SHA-1: 26f900e06bd6c60a424e60bcaa2e99dff5b08373 SHA-256: 357f117a3ba27e124d31d071b3593bce88dcbce93087cc31372e5d01f6db6739

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the initial links, 'https://ttraff.ru/pify?keyword=gattu+battu+serial', is identified as a malicious redirector. This suggests the document's primary purpose is to redirect users to malicious sites, likely for phishing or malware distribution.

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.ru/pify?keyword=gattu+battu+serial
- http://vaxag.teaandbiscuitconsultancy.com/uploads/1/3/0/7/130775573/aff9b591a4d6.pdf
- http://files.atdesignpartners.com/uploads/1/3/0/8/130873908/74ecda240cbb.pdf
- http://files.counsellingpsychologist.services/uploads/1/3/0/9/130969555/7582248.pdf
- http://files.haynesgolf.org/uploads/1/3/0/8/130874433/b38ad47.pdf
- https://cdn.shopify.com/s/files/1/0431/2144/2977/files/chatterjee_and_shinde_biochemistry_download.pdf
- https://cdn.shopify.com/s/files/1/0428/1604/5222/files/gemumanazetulaxeruv.pdf
- https://cdn.shopify.com/s/files/1/0436/7246/9669/files/pivetazikusi.pdf
- https://cdn.shopify.com/s/files/1/0435/0961/2712/files/wevaxiluwawa.pdf
- https://cdn.shopify.com/s/files/1/0449/2269/9943/files/slow_cooker_recipes_uk.pdf
- https://cdn.shopify.com/s/files/1/0437/8856/6680/files/damudibujosemofu.pdf
- https://cdn.shopify.com/s/files/1/0428/3046/3142/files/mafutop.pdf
- https://cdn.shopify.com/s/files/1/0433/7690/2309/files/85972823370.pdf
- https://cdn.shopify.com/s/files/1/0429/1415/2607/files/armed_forces_tribunal_act.pdf
- https://cdn.shopify.com/s/files/1/0436/3298/4222/files/zoboferadu.pdf
- https://cdn.shopify.com/s/files/1/0431/6856/3355/files/penuditakefuxugawemakoru.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pusowa.pdf
- https://cdn.shopify.com/s/files/1/0431/3671/2861/files/98179920471.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000057a2.bin` `21a48a1b17312cd79c2edd691eabbea410fae48842b0fb21cc34b69be92d7ea3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x57A2	4848 bytes
`font_01_sfnt_off0000682c.bin` `4bf28878804b72a0ff7846faa6c7381f6743b656666146584f32cd268f85ca3f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x682C	9856 bytes
`font_02_sfnt_off00008a2f.bin` `a5e2d0074ecfc34982db9c8fed5c73e0f0ed21364d7b88478768e3cdd5f33518`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A2F	4408 bytes

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