PDF malware analysis — malicious · 7e072c82c10a29bb

MALICIOUS

PDF

50.0 KB Created: 2020-09-02 18:02:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: ae5d9184671c9aa81a6875b01e4a96fd SHA-1: 28d592f9ed6c88fa5dfd8b4ce22f3509d88059c5 SHA-256: 7e072c82c10a29bb2f596618866cb917f741bc376cdef5c11d78d87dbfdd03c8

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document was flagged by a machine learning classifier and contains a high number of embedded links, many of which point to external PDFs. One of these links, https://ttraff.cc/wix?keyword=dragon%2527+s+dogma+dark+arisen+pawn+guide, is identified as a malicious redirector. The document body appears to be obfuscated or corrupted, but the presence of the malicious link is the primary indicator of malicious intent.

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=dragon%2527+s+dogma+dark+arisen+pawn+guide
- https://static.usrfiles.com/ugd/77eba6_c3efd9b16c55479ab3fe51464cc55a2b.pdf
- https://static.usrfiles.com/ugd/b8c837_471ef8e33f964ebba8d3aa96f8b02e83.pdf
- https://static.usrfiles.com/ugd/9eb187_50adcb99cffd416abdeac381d19d290e.pdf
- https://static.usrfiles.com/ugd/77941b_25b495eda75142dc9933c07906d35e50.pdf
- https://static.usrfiles.com/ugd/15d534_9977efa8b6c14356a2f81864887325f6.pdf
- https://static.usrfiles.com/ugd/4a6c57_975877a8cab5429cbf8d0e98968d6da5.pdf
- https://static.usrfiles.com/ugd/b8c837_c02035af460e4bfc92c6e51eb577c4a0.pdf
- https://cdn.shopify.com/s/files/1/0434/9739/0244/files/68437572067.pdf
- https://cdn.shopify.com/s/files/1/0436/4071/7462/files/android_ndk_linux.pdf
- https://cdn.shopify.com/s/files/1/0437/9371/1261/files/gaxurimanufe.pdf
- https://static.usrfiles.com/ugd/16a96a_dcbf40ce6dba4221860624a6bfee0061.pdf
- https://static.usrfiles.com/ugd/b8c837_c7fadf8df241422da7046e59ae0f5121.pdf
- https://static.usrfiles.com/ugd/b8c837_574a705aa07d4f799105fe34f2ab17ff.pdf
- https://static.usrfiles.com/ugd/23e9be_d6cc6c515cf34ba8a9c2a9e9b0d81ce0.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_off00007870.bin` `3a2352d155e4bf6d8cf0e8b2adfe516cd2dfe3f4b07103047bd330c27aa1c36c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7870	5240 bytes
`font_01_sfnt_off00008a35.bin` `ea89df53e300314a6226010eb4af98db0a0616f7622e45f7b2ece111f11897dc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A35	10136 bytes
`font_02_sfnt_off0000accf.bin` `cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xACCF	4324 bytes

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