PDF malware analysis — malicious · 32e39ab2547da393

MALICIOUS

PDF

50.5 KB Created: 2020-09-01 02:43:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b72da5f32f44a66b8272dfa8565257dc SHA-1: 599f9131ee3adba006189e193fd88f8322aaf76c SHA-256: 32e39ab2547da39377ae9914825a31730dcc32834faeb315e34fdfb6e8a7b05b

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a heuristic firing for a malicious redirector link, which points to 'https://ttraff.me/pify?keyword=always+on+display+samsung+j8'. This URL is likely used to redirect the user to a malicious site. The document body, though heavily obfuscated, contains references to this URL and other PDF links, suggesting a link farm or redirection tactic. 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.me/pify?keyword=always+on+display+samsung+j8
- https://cdn.shopify.com/s/files/1/0434/7238/8249/files/52420430485.pdf
- https://cdn.shopify.com/s/files/1/0437/8768/1954/files/malemowanisiwujasumu.pdf
- https://cdn.shopify.com/s/files/1/0434/0531/2154/files/ponibenifowizimero.pdf
- https://cdn.shopify.com/s/files/1/0430/8716/7649/files/38392180036.pdf
- https://cdn.shopify.com/s/files/1/0430/3942/4669/files/lozowilixejasuled.pdf
- https://cdn.shopify.com/s/files/1/0432/1617/5263/files/39843453225.pdf
- https://static.usrfiles.com/ugd/b8c837_cfc02f791129431cac1bbd18151410f3.pdf
- https://static.usrfiles.com/ugd/97368a_ce0223a836954cadbad8a650cfd3b5d4.pdf
- https://cdn.shopify.com/s/files/1/0465/3691/7151/files/2016.pdf
- https://cdn.shopify.com/s/files/1/0432/0300/2523/files/excel_sheet_column_title_geeksforgeeks.pdf
- https://cdn.shopify.com/s/files/1/0434/3041/2437/files/imash_music_download.pdf
- https://cdn.shopify.com/s/files/1/0432/7810/6779/files/ascii_character_to_binary.pdf
- https://cdn.shopify.com/s/files/1/0435/6322/1155/files/allegiant_veronica.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_off000060f8.bin` `4fe1f96ba8db5cf35ca47cddaf067669eaebb9c038fc61eabfa1f5836d0fc525`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x60F8	1768 bytes
`font_01_sfnt_off0000699e.bin` `34a56cc2d0b933bb2895ba15dae01f7c3213092d7548aeedd3f03528a51fad18`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x699E	5636 bytes
`font_02_sfnt_off00007cdf.bin` `ea3356573f771501ffb64a102745c9b11694be56cb4fcc862104dc342cb995c4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7CDF	13760 bytes
`font_03_sfnt_off0000a80b.bin` `e7bbf0bca74f6ba17897bef3710127efb44abcf9298e3904bb3957032cc1d2c1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA80B	16076 bytes

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