PDF malware analysis — malicious · 43282647a53a147d

MALICIOUS

PDF

43.0 KB Created: 2020-09-01 04:27:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: aae28c55db714e005e5dd4a480a4da2f SHA-1: 701a288156cd70a9ad722472d02eb40521f79c3e SHA-256: 43282647a53a147d8bb80d02f955932dd30b6a59f65884bbab089998fcfa24c3

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1200 Hardware Add-Override

The PDF contains a large number of embedded links, many of which point to external resources. One of these links, https://ttraff.com/wix?keyword=better+living+through+chemistry+movie, is identified as a malicious redirector. The document body is heavily obfuscated, but the presence of numerous links suggests a link farm or redirection tactic to lead users to malicious sites. No scripts were extracted from this sample.

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/wix?keyword=better+living+through+chemistry+movie
- https://cdn.shopify.com/s/files/1/0432/7335/5419/files/36425804487.pdf
- https://cdn.shopify.com/s/files/1/0431/9258/2293/files/40425006898.pdf
- https://cdn.shopify.com/s/files/1/0432/7243/7910/files/most_common_synonyms_and_antonyms.pdf
- https://cdn.shopify.com/s/files/1/0440/6693/0840/files/anestesia_regional_tipos.pdf
- https://static.usrfiles.com/ugd/822ecd_a79a3bd2ca7b404392fe816453f18237.pdf
- https://static.usrfiles.com/ugd/7598fa_7855c311389a43f08e9e874e1e25f7df.pdf
- https://static.usrfiles.com/ugd/5ed537_1122f4b2b3b840a094f6be9eca29de30.pdf
- https://static.usrfiles.com/ugd/b6edda_593b2520a6484369ba1b48643c26f926.pdf
- https://cdn.shopify.com/s/files/1/0438/6023/0294/files/48583975205.pdf
- https://cdn.shopify.com/s/files/1/0433/2696/3865/files/problem_solving_teaching_strategy.pdf
- https://cdn.shopify.com/s/files/1/0429/3407/5558/files/dibop.pdf
- https://static.usrfiles.com/ugd/1849a1_9b7cd8f190bf4bbca59d0aacbeae893b.pdf
- https://static.usrfiles.com/ugd/f14cf6_924dd35e807f4844a1da24c65472c2d7.pdf
- https://static.usrfiles.com/ugd/b8c837_00fb27e2ed7e4acbb78dbc4b42777eef.pdf
- https://static.usrfiles.com/ugd/36f25b_6635a5b1bab9418e86d5309b3937a010.pdf
- https://static.usrfiles.com/ugd/b8c837_67e7acd4ca64447d8afb699521dc813a.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_off00006a5e.bin` `20324c6bdc1302aa1462cc51e9111ba0df9934b4f9f7ef5a959fdd1a4386a27e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6A5E	5212 bytes
`font_01_sfnt_off00007c08.bin` `f223f7e2b53a62abf4abdacc88590a76532504426e94054f8b63feef43d3ce0c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7C08	10344 bytes

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