PDF malware analysis — malicious · ce3fd54f46534a42

MALICIOUS

PDF

49.2 KB Created: 2020-09-01 03:39:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 461e0bda4a6e63ff9126ccb2f3daead1 SHA-1: 956813957bb87f604fe7645012123f38f41c1d83 SHA-256: ce3fd54f46534a42612a53d453825e97ea004a5f1f62707ac12adfbd7f5e7f7d

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was flagged for containing a malicious redirector link and a large number of external links, suggesting a link farm. The primary malicious URL, https://ttraff.com/wix?keyword=astrology+book+in+bengali+pdf, is likely used to lure users into clicking through to potentially harmful content. No scripts were extracted, and the document body was heavily obfuscated, but the presence of the malicious redirector is a strong indicator of malicious intent.

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/wix?keyword=astrology+book+in+bengali+pdf
- https://static.usrfiles.com/ugd/b8c837_93ee6c3bb945474ab3b825b7bf4592d4.pdf
- https://static.usrfiles.com/ugd/409ca8_29ef67482fc24829a49301a669ca76a4.pdf
- https://static.usrfiles.com/ugd/b8c837_3cd7199bff8d4c31a113bfca1bdf1698.pdf
- https://cdn.shopify.com/s/files/1/0429/6795/7660/files/oscuros_lauren_kate.pdf
- https://cdn.shopify.com/s/files/1/0429/3338/7423/files/zapuxagez.pdf
- https://cdn.shopify.com/s/files/1/0432/5395/6758/files/31512663738.pdf
- https://cdn.shopify.com/s/files/1/0439/7016/6942/files/jefunazuxamepopu.pdf
- https://cdn.shopify.com/s/files/1/0439/3218/8840/files/79126888765.pdf
- https://static.usrfiles.com/ugd/b8c837_b06b5aaf1a4144489b5c9a0afeb24d87.pdf
- https://static.usrfiles.com/ugd/b8c837_8c1f3fb7df974c00b7f3a8f0f9b5b514.pdf
- https://cdn.shopify.com/s/files/1/0430/9663/7597/files/english_grammar_exercises_with_answer.pdf
- https://cdn.shopify.com/s/files/1/0438/4007/7981/files/kepner_tregoe_problem_analysis_template.pdf
- https://cdn.shopify.com/s/files/1/0427/5650/5756/files/wewepav.pdf
- https://cdn.shopify.com/s/files/1/0435/7239/6193/files/jawemovolepiwaxaxuravike.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_off000064db.bin` `ec56b9fda53107bab87c1ed28a268e131dcdb1ca5cee99d4ce97852dff949dc4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x64DB	5292 bytes
`font_01_sfnt_off000076e6.bin` `618cb7eac065698d802212375c151e526eb3e4e9bb32375862922605a405ec03`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x76E6	5164 bytes
`font_02_sfnt_off000087a6.bin` `5c7a02f8766ae1c0df91b080700b6e17f4f995db5fee199c4926b1a764c69d41`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x87A6	9900 bytes
`font_03_sfnt_off0000a978.bin` `b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA978	4324 bytes

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