PDF malware analysis — malicious · d27941d08aae0bd7

MALICIOUS

PDF

46.4 KB Created: 2020-07-20 12:41:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8c8b3953e6d05d0070f23c5b4ade389d SHA-1: 89df8019ebc055e619ab97f28cb76263c7776262 SHA-256: d27941d08aae0bd7c9b0dcf2976da0a582ecd352b5c5925af23cbdaa85ecf314

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains numerous links, many of which point to a link farm hosted on Shopify. One of these links, ttraff.com, is identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'photo convert to pdf file online', suggesting a lure to disguise the malicious redirection. The presence of a malicious redirector link indicates an attempt to lead the user to a harmful destination.

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/wb?keyword=photo%20convert%20to%20pdf%20file%20online
- http://files.keithsfishingtackle.com/uploads/1/3/1/0/131070751/purekufo.pdf
- http://files.landfallcert.com/uploads/1/3/1/3/131379111/6170381.pdf
- http://files.united-townfinancial.com/uploads/1/3/2/6/132696210/a2a174cfc.pdf
- http://files.ggsbbq.com/uploads/1/3/1/1/131164095/2f305a49de2.pdf
- http://files.united-townfinancial.com/uploads/1/3/2/6/1
- https://cdn.shopify.com/s/files/1/0431/7616/5536/files/lupemasevuse.pdf
- https://cdn.shopify.com/s/files/1/0428/2672/7580/files/wajewutazoferewud.pdf
- https://cdn.shopify.com/s/files/1/0431/8865/0141/files/67441794381.pdf
- https://burunejowol.files.wordpress.com/2020/06/52939393483.pdf
- https://nelagudisuz.files.wordpress.com/2020/07/36197832713.pdf
- https://femovugogu.files.wordpress.com/2020/07/wamekozedasanonepudapudu.pdf
- https://fevunuwunu.files.wordpress.com/2020/07/58481719602.pdf
- https://cdn.shopify.com/s/files/1/0438/3460/5728/files/lasavebukokigifibotufid.pdf
- https://cdn.shopify.com/s/files/1/0432/4923/8184/files/13465962138.pdf
- https://cdn.shopify.com/s/files/1/0438/5233/3206/files/7626734980.pdf
- https://cdn.shopify.com/s/files/1/0432/1165/3277/files/86838001269.pdf
- https://cdn.shopify.com/s/files/1/0431/8239/1451/files/nukujawafef.pdf
- https://cdn.shopify.com/s/files/1/0432/8236/6629/files/36928986487.pdf
- https://cdn.shopify.com/s/files/1/0433/3420/5590/files/22141325527.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_off00006ed8.bin` `baa38bd33fe0225e03f6da258bed7dbed0f9b38a34332b67d7fbb9f0e8fe20f9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6ED8	4704 bytes
`font_01_sfnt_off00007ec7.bin` `8e4935c1cd615de4d11c53ee0990a6690a01a0e3857db8c10fa89a2f7ca099ba`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7EC7	14648 bytes

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