PDF malware analysis — malicious · 3580409cf6e6d2aa

MALICIOUS

PDF

37.7 KB Created: 2020-08-23 21:56:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 03c2c523a99e5567b285494dd8917363 SHA-1: fb613dd302933616b6ab83d2c5c0e71adc19ef41 SHA-256: 3580409cf6e6d2aa4f532342fc7b1f9d6a8287310681754d40eb8847ea9ddad8

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external links, many of which are hosted on Shopify. The document body, though heavily obfuscated, contains the same malicious URL. The primary intent appears to be directing users to a malicious site via a deceptive link.

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=krups+963+espresso+maker+manual
- http://files.redhotyogastudios.com/uploads/1/3/1/6/131636987/29b59ed71.pdf
- http://files.logicdefieslogic.com/uploads/1/3/0/7/130776272/nusujomoximiravile.pdf
- http://files.chrismurraywheelworks.com/uploads/1/3/1/4/131407918/a3b8106.pdf
- http://gemolajew.asquaredtheatre.org/uploads/1/3/0/7/130775436/9932406.pdf
- https://cdn.shopify.com/s/files/1/0433/7346/1660/files/fourier_transform_equation.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/40323832667.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mirogorozizodixomalejog.pdf
- https://cdn.shopify.com/s/files/1/0434/7114/3078/files/73840039094.pdf
- https://cdn.shopify.com/s/files/1/0435/0204/3288/files/96692315999.pdf
- https://cdn.shopify.com/s/files/1/0438/9237/5704/files/50834415907.pdf
- https://cdn.shopify.com/s/files/1/0430/7566/6073/files/lekewu.pdf
- https://cdn.shopify.com/s/files/1/0441/3207/3624/files/sat_bubble_answer_sheet.pdf
- https://cdn.shopify.com/s/files/1/0428/6801/5260/files/tepogirefafuwewegudotez.pdf
- https://cdn.shopify.com/s/files/1/0429/1464/4127/files/consecuencias_del_neoliberalismo_en_mexico.pdf
- https://cdn.shopify.com/s/files/1/0430/4178/3959/files/bacteria_bioremediation.pdf
- https://cdn.shopify.com/s/files/1/0433/3315/7014/files/kotazijuzepubovi.pdf
- https://cdn.shopify.com/s/files/1/0429/3473/0911/files/bhojpuri_film_2019_hd_video_3gp.pdf
- https://cdn.shopify.com/s/files/1/0432/1797/7504/files/luncheon_invitation_template_word.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_off00005417.bin` `22205bdf8426d6f7be75359291b3d90f0383290aa4cab639959a6cc182bf0f41`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5417	5472 bytes
`font_01_sfnt_off00006689.bin` `6d67f3ba4139208f02739cc0ec809e73d624a5eff489199a8ce5e78977e9ab4e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6689	9892 bytes

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