PDF malware analysis — malicious · fbac0c2ad6c1dca8

MALICIOUS

PDF

48.1 KB Created: 2020-08-30 17:37:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 2a8ab18ee28cf2d16c30f8029cb7e07a SHA-1: a1dd5d569cb3536bf116c2dadb8cb035a9c02aaa SHA-256: fbac0c2ad6c1dca802158b2c7d5cc9be8d550498867da7e1e3ab3ee9385cf9c0

130 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass external link farm, with one critical link pointing to a known malicious redirector at 'https://ttraff.com/wix?keyword=bluestacks+portable+64+bits'. This indicates a likely attempt to lure the user to a malicious site. The document body, though heavily obfuscated, also contains this URL, reinforcing the malicious intent. No scripts were extracted, but the presence of a malicious redirector and a link farm strongly suggests a phishing or malware delivery attempt.

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.
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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=bluestacks+portable+64+bits
- https://static.usrfiles.com/ugd/19103d_f04222f74d6449f0a4c3dc592f51931b.pdf
- https://static.usrfiles.com/ugd/b8c837_2b092887eafa442484de6f598e3e6a7b.pdf
- https://static.usrfiles.com/ugd/b8c837_35b3df30f59144bd813ef3a35f5a57cd.pdf
- https://static.usrfiles.com/ugd/b8c837_d22341427f8f4d27855f576d3dc0180f.pdf
- https://static.usrfiles.com/ugd/76b6de_4e232cb92004451f8381304ac084b8f8.pdf
- https://cdn.shopify.com/s/files/1/0448/0227/7542/files/saluxizilaxika.pdf
- https://cdn.shopify.com/s/files/1/0437/1690/3080/files/wirosen.pdf
- https://cdn.shopify.com/s/files/1/0468/0967/7978/files/podojoxorarigomidisimiw.pdf
- https://cdn.shopify.com/s/files/1/0441/4255/9384/files/silver_bullets_gungeon.pdf
- https://cdn.shopify.com/s/files/1/0463/4014/5313/files/train_a_runs_back_and_forth_on_an_east-west_section_of_railroad_track._train_as_velocity.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 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00005de0.bin` `bd1e32511102220216f0e3a309e72bf30171dfd17caa853d62744b428e63b47b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5DE0	5424 bytes
`font_01_sfnt_off00007059.bin` `e8def34ef7fa1cd1e737aa53281a1ad4be732a20e453453846aa670fb207f4af`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7059	2044 bytes
`font_02_sfnt_off000079c6.bin` `f68fe922fab28cb9ed92a5b81330ddbf2035db4fac75e772da442474d3d25f9e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x79C6	10584 bytes
`font_03_sfnt_off00009e02.bin` `334a632046566dba1e13aa2ad28522ffc4701ff005b1d667d8ded0e84145bcf3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9E02	16304 bytes

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