PDF malware analysis — malicious · dd9f82aed00b488b

MALICIOUS

PDF

50.2 KB Created: 2020-08-08 16:11:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c10e9508080f0416187cfb39ea849198 SHA-1: b5a70548638e5ad938fa2f06ee9f212495a4d6e8 SHA-256: dd9f82aed00b488b469943827ca1327210b4656b059c00e310178bc74c51afc0

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing indicating a malicious redirector link, specifically pointing to 'https://ttraff.com/pify?keyword=carl+sagan+pale+blue+dot+book+pdf'. This suggests the document is designed to redirect users to malicious infrastructure. The presence of numerous other PDF links, many hosted on shopify.com, further supports the idea of a link farm intended to obscure the malicious destination. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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/pify?keyword=carl+sagan+pale+blue+dot+book+pdf
- http://files.griselda.com/uploads/1/3/1/3/131379111/0b8f96a06734e6.pdf
- http://files.connectimacy.com/uploads/1/3/0/7/130738960/bikegedamos_jadogawesu.pdf
- http://files.mymokshayoga.com/uploads/1/3/0/7/130775427/simekevumezaligivav.pdf
- https://cdn.shopify.com/s/files/1/0437/4790/1592/files/13412724044.pdf
- https://cdn.shopify.com/s/files/1/0434/3640/8982/files/36671297027.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xomekanob.pdf
- https://cdn.shopify.com/s/files/1/0431/6856/3355/files/badekogagoriravej.pdf
- https://cdn.shopify.com/s/files/1/0435/3038/7607/files/socratic_seminar_reflection.pdf
- https://cdn.shopify.com/s/files/1/0432/5448/1058/files/cub_cadet_1864.pdf
- https://cdn.shopify.com/s/files/1/0431/2684/9700/files/34249313718.pdf
- https://cdn.shopify.com/s/files/1/0430/3588/5725/files/gilobigazitifemadekavemeb.pdf
- https://cdn.shopify.com/s/files/1/0431/9471/2228/files/17916715586.pdf
- https://cdn.shopify.com/s/files/1/0431/5247/4267/files/44685708269.pdf
- https://cdn.shopify.com/s/files/1/0429/6641/7571/files/22980256226.pdf
- https://cdn.shopify.com/s/files/1/0432/0978/5499/files/daniel_hernandes_dias_lopes.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_off00005cf3.bin` `f871457e41a2c3b947d68a2c6fdfd35c468961d2fe5b14ad873d54895547982a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5CF3	13480 bytes
`font_01_sfnt_off00008812.bin` `fc0a86a0d9a15a1a0284682d4ab261f8a38c297f0d00deccf74b60bd80394c24`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8812	5316 bytes
`font_02_sfnt_off00009a2b.bin` `a23b603e618533e3dae4739f0c1467625b3468eef3e0f6abc38a30142bb72454`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9A2B	9816 bytes

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