PDF malware analysis — malicious · 7a760b6c944178ec

MALICIOUS

PDF

98.8 KB Created: 2020-07-24 13:48:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 977f330e51ddb8fdfe3cdd570f84e83f SHA-1: 518af5f173d398c15bd9c88437d139f888e00add SHA-256: 7a760b6c944178ec0c093d4733fd73855ae6d25db18f3f18dd0ba9682f084162

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF was flagged as malicious due to a critical heuristic identifying it as a redirector link to known malicious infrastructure. It also contains a mass external PDF link farm, suggesting a tactic to distribute malicious content or engage in SEO manipulation for phishing. The primary malicious URL is ttraff.cc, which likely serves as a gateway to further malicious sites or payloads.

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.cc/pify?keyword=psychology+of+adulthood+and+aging+pdf
- http://files.robhightonart.com/uploads/1/3/2/7/132740620/b34b23fe34.pdf
- http://files.olsyouth.com/uploads/1/3/1/4/131406841/2175288.pdf
- http://files.trendsterrabella.com/uploads/1/3/2/6/132695455/5b7eb66c.pdf
- http://files.marriedtotheauthor.com/uploads/1/3/1/4/131406068/ba159af4b.pdf
- http://files.monfortestatesdacula.com/uploads/1/3/2/6/132681002/226bb98.pdf
- https://cdn.shopify.com/s/files/1/0438/6455/5680/files/kufufijuvedarunagoxedu.pdf
- https://cdn.shopify.com/s/files/1/0432/9888/1704/files/zinedebowirinixopanew.pdf
- https://cdn.shopify.com/s/files/1/0434/0659/0106/files/21541929448.pdf
- https://cdn.shopify.com/s/files/1/0437/7296/9109/files/26197117561.pdf
- https://cdn.shopify.com/s/files/1/0429/6956/3290/files/29926764696.pdf
- https://cdn.shopify.com/s/files/1/0431/1266/1152/files/bitezoraratuj.pdf
- https://cdn.shopify.com/s/files/1/0435/9153/2699/files/jafavokefonezuxotuvifexi.pdf
- https://cdn.shopify.com/s/files/1/0431/2956/9434/files/14589371749.pdf
- https://cdn.shopify.com/s/files/1/0430/4463/4773/files/wevusegogu.pdf
- https://cdn.shopify.com/s/files/1/0438/1055/4016/files/tiropuwunarevigagebok.pdf
- https://cdn.shopify.com/s/files/1/0427/4647/8759/files/32654705784.pdf
- https://cdn.shopify.com/s/files/1/0432/7538/7043/files/nobalozegofobap.pdf
- https://cdn.shopify.com/s/files/1/0427/9923/5228/files/81853231849.pdf
- https://cdn.shopify.com/s/files/1/0427/5427/7532/files/89129325430.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_off0001482e.bin` `9b3d28700aaf8ebf404befd1776d4180620f075e3132a4877914112fe1e6804c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1482E	5188 bytes
`font_01_sfnt_off000159c9.bin` `3a94a0a6765552d1639ba65baa66871e206353564e5a213820cf35a6a5a7c0bc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x159C9	10372 bytes

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