PDF malware analysis — malicious · 553dc7c5762f6a9e

MALICIOUS

PDF

71.0 KB Created: 2020-08-03 04:56:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: dda444a29821abdaf1312d9c31be43b8 SHA-1: 7455fb1f984cee294ba4fe18f64d4c24c446cb35 SHA-256: 553dc7c5762f6a9ea1109cddc2338e86da9b946bb4991be9b9653b2b9c74bf41

160 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1566 Phishing T1566.002 Spearphishing Attachment T1059 Command and Scripting Interpreter T1059.001 PowerShell

The PDF contains a link to a redirector, which is part of a link farm designed to host numerous PDF files. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=dishonored+2+trainer', suggesting a lure for a game trainer. Additionally, a heuristic indicates instructions to disable security software, which is a common tactic to facilitate further malicious activity. No scripts were extracted from this sample.

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.
Security software disable instruction high SE_SECURITY_BYPASS

Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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=dishonored+2+trainer
- http://files.giantstepsawards.org/uploads/1/3/0/7/130775888/relodixif-ratidagibito-nijex-bedalej.pdf
- http://files.mielelohim.org/uploads/1/3/0/7/130776413/nomakoligujobez.pdf
- http://files.olycommunityherbclinic.org/uploads/1/3/0/8/130815058/b6fb323b.pdf
- http://files.eb2vintage.com/uploads/1/3/1/4/131453067/2304ab846e2910.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zokiwu.pdf
- https://cdn.shopify.com/s/files/1/0433/7090/5750/files/85301061835.pdf
- https://cdn.shopify.com/s/files/1/0433/9728/3992/files/lonexatumerojoj.pdf
- https://cdn.shopify.com/s/files/1/0427/9900/5863/files/backyard_baseball_2003.pdf
- https://cdn.shopify.com/s/files/1/0431/1898/5370/files/40229740177.pdf
- https://cdn.shopify.com/s/files/1/0433/9433/4869/files/28638782728.pdf
- https://cdn.shopify.com/s/files/1/0440/1581/2766/files/dixigowelozegumi.pdf
- https://cdn.shopify.com/s/files/1/0434/2287/5805/files/c_typedef_struct.pdf
- https://cdn.shopify.com/s/files/1/0431/6404/1373/files/how_to_install_vpk_vita.pdf
- https://cdn.shopify.com/s/files/1/0435/3576/1576/files/centurylink_dsl_light_red.pdf
- https://cdn.shopify.com/s/files/1/0434/7350/2361/files/miguel_kaleidoscope_dream_album_download.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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000d6d3.bin` `285ec0540ce5c0eb6bd29b3bc243c728580384927dbc1efc8724dc6b9b00c95c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD6D3	5012 bytes
`font_01_sfnt_off0000e7d5.bin` `e2fe394fe1527953da238fcd8f6bd9c620a6e746463d20af0ffda7bc29c22156`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE7D5	11680 bytes

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