PDF malware analysis — malicious · a0bebd512d7cb96f

MALICIOUS

PDF

49.1 KB Created: 2020-08-30 20:00:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6ec56f6a86250b9a5dfc08e54ead78ae SHA-1: a9bc82b5818d2fd16cac0e1f8b2164312f225f44 SHA-256: a0bebd512d7cb96f9be7f407e6b1fbf6ef39744db0990826d5b1fc55c5b99418

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a prominent link disguised as a 'resign letter bangla' which redirects to the malicious domain ttraff.com. This indicates a social engineering lure designed to trick the user into visiting a potentially harmful site. The PDF also contains a large number of external links, many pointing to Shopify domains, suggesting a link farm or SEO manipulation tactic to distribute the malicious redirector.

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.com/wix?keyword=resign+letter+bangla
- https://cdn.shopify.com/s/files/1/0429/0638/6595/files/morisky_green_levine_medication_adherence_scale.pdf
- https://cdn.shopify.com/s/files/1/0431/7731/2411/files/sapetusidugoji.pdf
- https://cdn.shopify.com/s/files/1/0464/1410/2696/files/draw_with_jazza_brushes_free.pdf
- https://static.usrfiles.com/ugd/0511f5_598ae02ecf1740808039bbf59df4cafc.pdf
- https://static.usrfiles.com/ugd/6908d7_348590dfd2174324acef49f7df7d78ba.pdf
- https://static.usrfiles.com/ugd/74e9cf_0fbcf4cef72c4bd0b33d21c1b8f2cb67.pdf
- https://static.usrfiles.com/ugd/3dd68e_04944b38915440ce9e85d9fb344491c8.pdf
- https://static.usrfiles.com/ugd/b8c837_9c262cfdec3f45ada39e82d66ff610f6.pdf
- https://static.usrfiles.com/ugd/a31856_2c2ab68001674987975ed546afef5f65.pdf
- https://static.usrfiles.com/ugd/b8c837_d70c5c6f37024ce0901cfea14c0efcb7.pdf
- https://static.usrfiles.com/ugd/1c8c6c_55e072ae7bf740b7ae37a36c1fefcfae.pdf
- https://static.usrfiles.com/ugd/b8c837_c9480f7a8b664adbb95a5b2b15bbd69b.pdf
- https://static.usrfiles.com/ugd/ae059d_d81fdc1877a34f6ba446586b85a3d540.pdf
- https://static.usrfiles.com/ugd/b8c837_8d3269b0839740d79e79dbe27f89ce81.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_off00007629.bin` `a4072898a6d88d4230da440517473dcb3cc220c387c2a7a63dfda636fc9f5047`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7629	5000 bytes
`font_01_sfnt_off00008733.bin` `b7882c459d94d9fb05ee491b72d0ee9c35e8d4bc9ed5787c7a0b3ba78fd6bc86`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8733	4140 bytes
`font_02_sfnt_off0000945b.bin` `be96d4ab25ece85b891e5f211018d233d52c09208e8b309ea97403eb72d6b6c0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x945B	10400 bytes

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