PDF malware analysis — malicious · d270dd206761f422

MALICIOUS

PDF

38.5 KB Created: 2020-08-30 10:25:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 96b2b2033c9f1c24e00eeb6ace90ef6d SHA-1: 75d4f0336eab060a44107d4b3d3b2c2fafaa48ea SHA-256: d270dd206761f422ab50fff0feca1f4b9c135d4b87a520db9ce9ea40ee510f31

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The document body, though heavily obfuscated, contains the same URL found in the heuristic. This suggests the primary purpose of the PDF is to lure the user to the malicious redirector at 'https://ttraff.cc/wix?keyword=river+edge+macon+ga+careers'. No scripts were extracted, and the file type is PDF, indicating a likely phishing or malware delivery attempt via a malicious link.

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.cc/wix?keyword=river+edge+macon+ga+careers
- https://static.usrfiles.com/ugd/bf650e_9d30e8f401d04233a1c7451fa4ad5a3d.pdf
- https://static.usrfiles.com/ugd/b0b521_5454208972d24a668bf18e9bae278909.pdf
- https://static.usrfiles.com/ugd/66c878_d4d0414624f04cb7a3ac2949a37c8d57.pdf
- https://static.usrfiles.com/ugd/b8c837_1bb815f7052643ddb9520f07d89f548e.pdf
- https://cdn.shopify.com/s/files/1/0433/7205/2643/files/aladdin_story_in_tamil_free_download.pdf
- https://static.usrfiles.com/ugd/b8c837_e90bf73675f04c30b8fc7ed03ca40738.pdf
- https://static.usrfiles.com/ugd/ea9bdf_0c033afe072b412286f214c7045d7bef.pdf
- https://static.usrfiles.com/ugd/b8c837_11a53feb3f1d4891977363a9b9ba0a44.pdf
- https://cdn.shopify.com/s/files/1/0430/0210/1923/files/gedatazatavizoxoparara.pdf
- https://cdn.shopify.com/s/files/1/0434/1478/2119/files/balanza_de_pagos_de_bolivia.pdf
- https://cdn.shopify.com/s/files/1/0428/0621/4819/files/trafigura_interim_report_2019.pdf
- https://cdn.shopify.com/s/files/1/0432/7315/8821/files/49513045232.pdf
- https://cdn.shopify.com/s/files/1/0437/4393/6673/files/vawimokifofoxazurexew.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_off00004afd.bin` `ad2111f11ddfd2ee4a37ab38bd447f3adf9cdd0000255e52dbb6d7400016dadc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4AFD	5000 bytes
`font_01_sfnt_off00005bd8.bin` `d252c6195c30a30b55a0b80468c75b02de9ad228af3a2a2ce104d5feeef431ba`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5BD8	10356 bytes
`font_02_sfnt_off00007f4c.bin` `b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7F4C	4324 bytes

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