PDF malware analysis — malicious · 50573c8cd10f5305

MALICIOUS

PDF

47.2 KB Created: 2020-07-31 17:27:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6e7e04babd58c513606d39c4966ce5e8 SHA-1: 4018ae4c4cef6ce28febf553fd33a1e9aac6ecd6 SHA-256: 50573c8cd10f5305ad03c7d84004e3288b86c3ec729adb18bafd1ff346393bed

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of these links, https://ttraff.cc/pify?keyword=inherit+the+wind+pdf, is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to this URL and other PDF files, suggesting a lure to download further malicious content. The presence of numerous external links and a malicious redirector indicates a phishing or content-luring attack.

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/pify?keyword=inherit+the+wind+pdf
- http://files.homefirebooking.com/uploads/1/3/1/8/131871705/liwagofopemenubuk.pdf
- http://files.teachersrock16.com/uploads/1/3/1/4/131406563/53009581b9d.pdf
- http://files.satterwhitegenealogy.com/uploads/1/3/2/7/132740804/mexejolilikegumuk.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/669297692.pdf
- https://cdn.shopify.com/s/files/1/0432/0015/1707/files/xuxux.pdf
- https://cdn.shopify.com/s/files/1/0433/2178/6521/files/16402263603.pdf
- https://cdn.shopify.com/s/files/1/0430/8946/1410/files/fagopinulobefavu.pdf
- https://cdn.shopify.com/s/files/1/0427/7246/3772/files/27232134990.pdf
- https://cdn.shopify.com/s/files/1/0432/1063/7475/files/78931611561.pdf
- https://cdn.shopify.com/s/files/1/0429/0406/0071/files/jowatedusul.pdf
- https://cdn.shopify.com/s/files/1/0436/2380/9187/files/39742839493.pdf
- https://cdn.shopify.com/s/files/1/0431/6243/5739/files/82450513709.pdf
- https://cdn.shopify.com/s/files/1/0434/0488/6166/files/80935308359.pdf
- https://cdn.shopify.com/s/files/1/0429/9263/1962/files/gulerigis.pdf
- https://cdn.shopify.com/s/files/1/0432/9363/8811/files/pigesalipimon.pdf
- https://cdn.shopify.com/s/files/1/0433/3761/3461/files/bebefosuzi.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_off00006fbf.bin` `7fbff9a33759da2d7fe375f93c9e260560dcc5a837702643783b01923d80b5fe`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6FBF	4416 bytes
`font_01_sfnt_off00007eb2.bin` `daf9c8a6d3defa8dc65dd3ccfb3974c7516346c9699260aa914c912c98115a62`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7EB2	10244 bytes
`font_02_sfnt_off0000a1c5.bin` `d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA1C5	4324 bytes

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