PDF malware analysis — malicious · f408c0dabb985105

MALICIOUS

PDF

66.2 KB Created: 2020-08-01 00:54:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b64f3478726a787b88a96ce2293ca6b0 SHA-1: 7430dd965fedb8fea4170d9fbd22945cad1d472a SHA-256: f408c0dabb985105f78e9067e5e32549fcf5a2991845b3801eb125010bdc5db0

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links to external PDFs hosted on domains like 'cdn.shopify.com'. The embedded document body text, though heavily obfuscated, contains the same malicious URL, reinforcing the intent to redirect the user to potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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/pify?keyword=japan+porn+mag
- http://files.katshelter.com/uploads/1/3/1/6/131637482/zegud_xuzakimowifima_gugudawenupiz.pdf
- http://files.supstlouis.com/uploads/1/3/1/3/131398498/tidefe_wolobiluduxubo.pdf
- http://files.katemarch.com/uploads/1/3/1/3/131380493/lapolezogurasedaf.pdf
- http://files.rocnap.com/uploads/1/3/1/4/131411688/jofevijer.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/niroduwo.pdf
- https://cdn.shopify.com/s/files/1/0433/3702/3641/files/69377113995.pdf
- https://cdn.shopify.com/s/files/1/0430/1661/8145/files/worugerapi.pdf
- https://cdn.shopify.com/s/files/1/0438/7956/3419/files/lagoki.pdf
- https://cdn.shopify.com/s/files/1/0427/4988/6620/files/93166060501.pdf
- https://cdn.shopify.com/s/files/1/0431/2619/4336/files/58756352069.pdf
- https://cdn.shopify.com/s/files/1/0437/9443/2161/files/bejonilutalinoligad.pdf
- https://cdn.shopify.com/s/files/1/0430/0741/0329/files/6821400930.pdf
- https://cdn.shopify.com/s/files/1/0434/1104/6558/files/21702781071.pdf
- https://cdn.shopify.com/s/files/1/0428/4229/2390/files/14935730758.pdf
- https://cdn.shopify.com/s/files/1/0436/2466/1154/files/17480614393.pdf
- https://cdn.shopify.com/s/files/1/0433/1238/2117/files/xabajedowenuxifol.pdf
- https://cdn.shopify.com/s/files/1/0428/1368/5927/files/jefawel.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000095b4.bin` `072fe0ded5aa785a54870dd84e60a688db01f06c0cd83ce99371fc3f4f7bb3d3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x95B4	15420 bytes
`font_01_sfnt_off0000c78a.bin` `8e3b9d9f840e589e736c39f09ca5a4101b0f3ae5c0c76965bd9f43ceb2b7d9be`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC78A	4916 bytes
`font_02_sfnt_off0000d834.bin` `57bab10c6bf8d1dbe58c458951d6d63f66726635fb64687a1f5845f2e7d5c000`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD834	10236 bytes

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