PDF malware analysis — malicious · a009da0430ba18ad

MALICIOUS

PDF

87.2 KB Created: 2020-08-05 11:10:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 56947a8a7638cd489f5d0a681174743e SHA-1: a6dae01f74123fdd6c711aaa3f882e2e755569a1 SHA-256: a009da0430ba18ad2f7b39b3b8d59688da8fe9b3b522b503e5c352841524c443

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a significant number of embedded links, identified as a link farm. One of these links, 'https://ttraff.com/pify?keyword=aprender+hablar+japones+basico+pdf', points to a known malicious redirector. The document body, though heavily obfuscated, contains this same URL, suggesting it is the primary lure. The presence of a link farm indicates an attempt to distribute malicious content or conduct phishing operations.

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/pify?keyword=aprender+hablar+japones+basico+pdf
- http://files.joyfulnoiseguitarcentral.com/uploads/1/3/1/3/131379692/5843591.pdf
- http://files.pa4sc.com/uploads/1/3/1/4/131406736/637ce496897c7f.pdf
- http://files.koasportscoaching.com/uploads/1/3/2/8/132816165/dokafan_zuvijorabig_mawurivelolun.pdf
- http://logul.torahanimalworld.com/uploads/1/3/0/7/130776760/88e5cd42c.pdf
- https://cdn.shopify.com/s/files/1/0434/5249/8070/files/16502284895.pdf
- https://cdn.shopify.com/s/files/1/0430/0010/3071/files/dozafiro.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/30899714004.pdf
- https://cdn.shopify.com/s/files/1/0431/1279/2221/files/14162286987.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/judegesuzopo.pdf
- https://cdn.shopify.com/s/files/1/0436/9213/0458/files/xojil.pdf
- https://cdn.shopify.com/s/files/1/0434/1851/7665/files/rapigegosilugusisal.pdf
- https://cdn.shopify.com/s/files/1/0432/8026/9462/files/99956285032.pdf
- https://cdn.shopify.com/s/files/1/0436/8039/9513/files/140783144.pdf
- https://cdn.shopify.com/s/files/1/0433/0265/0014/files/rirulosifetamebiga.pdf
- https://cdn.shopify.com/s/files/1/0434/4155/3575/files/89364655305.pdf
- https://cdn.shopify.com/s/files/1/0430/5757/8137/files/42268348700.pdf
- https://cdn.shopify.com/s/files/1/0431/5011/4967/files/pakopigosegirodedewe.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
`stream_004_off0000b00b.bin` `c22a0daf5e519bcfab6a2783423e41597a2f3e62927d584c5ee3861166463947`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0xB00B	28568 bytes
`font_01_sfnt_off0001083e.bin` `76f8ce1159ce4806612db3d444c162956709faf3d0d4c023fe8a655e6d320c33`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1083E	5448 bytes
`font_02_sfnt_off00011ac0.bin` `94a56640c74e054f9a950a181751773dc69ce96c408c4d20b817b75f2f075111`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11AC0	17460 bytes

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