PDF malware analysis — malicious · f538e466c5865b6a

MALICIOUS

PDF

45.2 KB Created: 2020-08-31 02:21:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 89ad24994f6d2893edcaea48b06d82ee SHA-1: cb4519bea546d81f6a34fb933e4393ad702f3d4f SHA-256: f538e466c5865b6a4f0affb6bfd8a42e19e0d39d9e0b7917d300a505d5527f0a

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. It also exhibits characteristics of a PDF link farm, with numerous external links, one of which is to 'cdn.shopify.com'. The presence of a 'download button' lure suggests an attempt to trick the user into clicking the malicious link. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the exact lure.

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=charity+link+leicester
- https://cdn.shopify.com/s/files/1/0433/8352/1445/files/very_sad_status_video_female.pdf
- https://cdn.shopify.com/s/files/1/0433/0576/2974/files/26011765071.pdf
- https://cdn.shopify.com/s/files/1/0431/7511/6964/files/didakobobu.pdf
- https://cdn.shopify.com/s/files/1/0428/4933/7507/files/49589524434.pdf
- https://cdn.shopify.com/s/files/1/0433/9495/7466/files/84768833574.pdf
- https://cdn.shopify.com/s/files/1/0440/3570/2949/files/nwn_red_dragon_disciple_guide.pdf
- https://cdn.shopify.com/s/files/1/0429/7608/4117/files/38659376414.pdf
- https://cdn.shopify.com/s/files/1/0431/2802/9345/files/xigikonutodusitifumulovi.pdf
- https://cdn.shopify.com/s/files/1/0431/8865/0142/files/tuvixosu.pdf
- https://cdn.shopify.com/s/files/1/0430/2874/2298/files/36874476935.pdf
- https://cdn.shopify.com/s/files/1/0428/3914/6662/files/xezuziguwefevebibaj.pdf
- https://cdn.shopify.com/s/files/1/0431/2875/0241/files/xebowinazimufitakovusa.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005b57.bin` `2ed0defc9e47c2a77a42c275d180b8a0364aa382f4bc25fedce262cba3656e54`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5B57	4752 bytes
`font_01_sfnt_off00006b6b.bin` `dc37461816ec92f0ed1316601fd5c6b06f5c1a5be203c138b3c3c6cdf5da3806`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6B6B	2024 bytes
`font_02_sfnt_off00007503.bin` `a16015ba097be17c80bc133c834045c2d6f6fc97db26116ef60cee2c3f7a10cb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7503	10700 bytes
`font_03_sfnt_off0000997e.bin` `05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x997E	4324 bytes

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