PDF malware analysis — malicious · f8c30a00186eb12f

MALICIOUS

PDF

48.0 KB Created: 2020-07-28 02:05:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: e776ddb5253feadab04c7a1eb81e08bc SHA-1: 637eedb51600b854e1ed36d61b33d75661197698 SHA-256: f8c30a00186eb12fc48f6294ee5a831d061e0ea97f0fe194b1c2dd8708827cf4

130 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a malicious redirector link disguised as a download button, intended to lure users into clicking it. The link leads to 'ttraff.cc', which is flagged as a malicious redirector. Additionally, the PDF contains a large number of external links, many hosted on Shopify, suggesting a link farm used for SEO poisoning or to obscure the final malicious destination. No scripts were extracted, but the presence of a malicious redirector and a call-to-action button strongly indicates a phishing or social engineering attack.

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.cc/pify?keyword=blank+incident+report+pdf
- http://files.urbanreach.com.au/uploads/1/3/1/4/131438018/1209909.pdf
- http://files.fancyshihtzus.com/uploads/1/3/1/4/131406478/pedezulimozor.pdf
- http://files.marinchorus.org/uploads/1/3/1/4/131438228/57d8977dfac9e.pdf
- https://cdn.shopify.com/s/files/1/0428/0814/8127/files/tezejovinabubivi.pdf
- https://cdn.shopify.com/s/files/1/0429/6291/1391/files/75764078268.pdf
- https://cdn.shopify.com/s/files/1/0434/8212/0357/files/fetexigipupapite.pdf
- https://cdn.shopify.com/s/files/1/0427/8039/3639/files/xetuv.pdf
- https://cdn.shopify.com/s/files/1/0433/9580/9431/files/sekevupu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/50878135704.pdf
- https://cdn.shopify.com/s/files/1/0430/6577/0135/files/karututorowidik.pdf
- https://cdn.shopify.com/s/files/1/0430/7556/7770/files/86877151915.pdf
- https://cdn.shopify.com/s/files/1/0430/8706/9348/files/tuvivafelerefis.pdf
- https://cdn.shopify.com/s/files/1/0437/8948/4190/files/8298140767.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xoperesotojazi.pdf
- https://cdn.shopify.com/s/files/1/0429/7441/2949/files/62547103658.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/
- https://cdn.shopify.com/s/files/

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_005_off00007774.bin` `7bef005638c3f3f650309742c0b62e51628f9fbb73d84efcdfc86eb953f6f6b6`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x7774	4872 bytes
`font_01_sfnt_off00008805.bin` `fa9f24e537648da8fb8ebb41340b3656420e75c5e61ccbb6909288099cbe3f13`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8805	13720 bytes

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