PDF malware analysis — malicious · f4fffc51e8e16df9

MALICIOUS

PDF

38.0 KB Created: 2020-08-20 21:00:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 17528fd2ce1867259ce8ee70d408929f SHA-1: cf61b925f446b91c7cea407a3bb20cd9ad14c5b9 SHA-256: f4fffc51e8e16df9a5a37450d20a17e87fe12c20f74903ffb453ddc996ab10aa

148 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, many of which point to a redirector service. The document body, though heavily obfuscated, contains references to 'Facebook video to iphone x' and includes the malicious URL https://ttraff.com/pify?keyword=facebook+video+to+iphone+x. This suggests a phishing or scam attempt to redirect users to malicious content. The presence of a visual download button lure and a callback phone lure further supports a social engineering attack pattern.

Heuristics 5

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.
Callback phishing phone lure medium SE_CALLBACK_LURE

Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
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.com/pify?keyword=facebook+video+to+iphone+x
- http://safel.soakitupfranklinma.org/uploads/1/3/1/4/131453870/dc7229f4e.pdf
- https://cdn.shopify.com/s/files/1/0435/1878/7736/files/weximik.pdf
- https://cdn.shopify.com/s/files/1/0434/1219/3438/files/66788042370.pdf
- https://cdn.shopify.com/s/files/1/0432/1912/4382/files/59786283374.pdf
- https://cdn.shopify.com/s/files/1/0431/9887/3763/files/50938868968.pdf
- https://cdn.shopify.com/s/files/1/0429/9515/5105/files/18106544405.pdf
- https://cdn.shopify.com/s/files/1/0433/0595/9574/files/30220942767.pdf
- https://cdn.shopify.com/s/files/1/0436/9183/5547/files/mefire.pdf
- https://cdn.shopify.com/s/files/1/0430/0472/3349/files/96593952692.pdf
- https://cdn.shopify.com/s/files/1/0437/5989/4682/files/55806107841.pdf
- https://cdn.shopify.com/s/files/1/0433/2358/8773/files/wefekebep.pdf
- https://cdn.shopify.com/s/files/1/0428/3082/3583/files/24168776517.pdf
- https://cdn.shopify.com/s/files/1/0432/3583/6072/files/wapuzezukidabanutoliz.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_off00005854.bin` `682f890e2bf3d7c3d8870ea7a838ebbf3599f94bca71ffa0cc13c41d182197ea`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5854	5140 bytes
`font_01_sfnt_off000069cc.bin` `4bea75d1f225c0ef3e498b2698c1179f1ca6c1b4e0d5f1a28254772f3e9782c1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x69CC	9924 bytes

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