PDF malware analysis — malicious · ebcfd8aa5afe1a20

MALICIOUS

PDF

52.2 KB Created: 2020-08-29 20:14:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: d59d5c18b7b582a48334c0c1b25fdcd1 SHA-1: cadad599d13239b2a8aacf10e2a66665675ab9ff SHA-256: ebcfd8aa5afe1a20b1bdf5254ea83c715f3ab5ce2e91155803cbe5561aae6607

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

This PDF file contains a critical heuristic indicating it links to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the same URL found in the heuristic, suggesting a lure. The presence of a 'download button' heuristic further supports the attack pattern of tricking users into clicking a malicious link. 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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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=waters+of+march+lyric
- https://static.usrfiles.com/ugd/b8c837_cd358dfc61e540668b4d35995bce5230.pdf
- https://static.usrfiles.com/ugd/b8c837_512ea1efca3748809b0548294fbd1bd7.pdf
- https://static.usrfiles.com/ugd/b8c837_6903332262864fe29263e593f599942b.pdf
- https://static.usrfiles.com/ugd/b8c837_c6a84db1d3c84a13923782fe608b4d7d.pdf
- https://static.usrfiles.com/ugd/b8c837_25f721a07d224e1392216c32a96e24b1.pdf
- https://static.usrfiles.com/ugd/7ff653_51eb2cb26266482fa830dde6383516d9.pdf
- https://cdn.shopify.com/s/files/1/0432/1958/3138/files/jupeneg.pdf
- https://cdn.shopify.com/s/files/1/0432/8954/2809/files/tom_m_apostol_calculus_volume_1.pdf
- https://cdn.shopify.com/s/files/1/0430/6305/0394/files/shop_vac_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/8544/6822/files/xiwevipotava.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 5

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005e8b.bin` `ffb551b4bd28c76a6062b542aae19e0df5912490321905e387f9a9a36a0b860e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5E8B	2872 bytes
`font_01_sfnt_off000068b0.bin` `d5b78433e463f6c7ca4a8f819d1e5189a251f69849cd1331c3ba73bd710edddf`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x68B0	4920 bytes
`font_02_sfnt_off00007978.bin` `7423b1e5ab70b72edf8408cd1511136c8bf81611b71c15ba6534f33f680aa6e1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7978	10416 bytes
`font_03_sfnt_off00009d2f.bin` `5868e3cbc90c1c96838836c01da454b9fc870479cf67e8516f0db0a20edf6b50`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9D2F	16616 bytes
`font_04_sfnt_off0000b3f6.bin` `a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB3F6	4324 bytes

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