PDF malware analysis — malicious · 4b9b835dc88181dc

MALICIOUS

PDF

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

MD5: a5287fbddca0c64f0b4cf86d9b42fae0 SHA-1: 36ecea25497778c4ab23540fb3acc175858cb806 SHA-256: 4b9b835dc88181dcd9e4ca52ed07f286ff51c446c4d39dd40ea3e61bc56fec6f

128 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a heuristic firing for a malicious redirector link and a link farm, indicating a phishing or scam attempt. The document body, though heavily obfuscated, contains text that appears to be a lure for 'Alora music free' and includes the malicious URL. The presence of a 'download button' heuristic further supports the lure-based attack pattern. The primary malicious IOC is the redirector URL which likely leads to further malicious content.

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.me/wix?keyword=alora+music+free
- https://static.usrfiles.com/ugd/b8c837_88832ff918c442568b08c5cada25cd28.pdf
- https://static.usrfiles.com/ugd/b8c837_40a264a103e64c16a2228599a11d33e9.pdf
- https://static.usrfiles.com/ugd/1b8612_4d24262e9ce348aaabdb4eb8e1ab1d66.pdf
- https://static.usrfiles.com/ugd/b8c837_2a1f5c131d9f4c5cbc50b2a8917f02dc.pdf
- https://static.usrfiles.com/ugd/b8c837_8be4a22a9ff045ec8449f6c971f55a6a.pdf
- https://static.usrfiles.com/ugd/b8c837_794307b8d8e84c9a8cab8736ac8671bf.pdf
- https://static.usrfiles.com/ugd/6908d7_e26b0ab9cb194378beb5bb28afe136a4.pdf
- https://static.usrfiles.com/ugd/911c12_dc3d064b0a0a44739815b53a80352f41.pdf
- https://cdn.shopify.com/s/files/1/0435/1882/0511/files/vifepa.pdf
- https://cdn.shopify.com/s/files/1/0430/0062/7363/files/wipogo.pdf
- https://cdn.shopify.com/s/files/1/0434/2205/6600/files/9257184817.pdf
- https://static.usrfiles.com/ugd/b8c837_d1945de8c2834e48916708e4aeb9e4e6.pdf
- https://static.usrfiles.com/ugd/1fbf8b_53088dccb4c74202bd6a17bc8cf0bde6.pdf
- https://static.usrfiles.com/ugd/1f5cef_25c1ea410fbc4672b3c6478e92885f20.pdf
- https://static.usrfiles.com/ugd/7ea8bb_b4c99643b5944eed83879b74640ac402.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_off00006b06.bin` `be49abd169a6a599653a605e2a70e52db96969ddebe406605d131755c84ee33c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6B06	5016 bytes
`font_01_sfnt_off00007bfa.bin` `20099e028e4f6211168996f7e155da1002d96726db13368aab5da575963617b3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7BFA	12032 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.