PDF malware analysis — malicious · 4a1be8f56f068284

MALICIOUS

PDF

60.0 KB Created: 2020-08-16 21:15:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 599d53cea2a0376f579c15b75e9c25d4 SHA-1: c67838004300a43a0b85c9254ba109e84ce54a7d SHA-256: 4a1be8f56f068284d676f15925acf4d64d6fd257b52918c37cc2b670a8139a77

120 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, a technique often used for SEO poisoning or to redirect users to malicious sites. One critical heuristic identified a link to known malicious redirector infrastructure at https://ttraff.ru/pify?keyword=brilliant+legacy+episodes. The document body also contains this URL and other links pointing to Shopify domains, suggesting a lure to download further malicious content.

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.ru/pify?keyword=brilliant+legacy+episodes
- http://files.barneydaycare.com/uploads/1/3/0/9/130969278/zisoniwe.pdf
- http://files.estrielutte.com/uploads/1/3/2/6/132682048/af01bab5152.pdf
- http://josarato.holisticpsychology.ca/uploads/1/3/0/7/130775934/7fd570b7220b.pdf
- http://files.artglassforumny.org/uploads/1/3/2/6/132682471/kilamodorutewa-zitaw-wisotibe-falanamegeza.pdf
- https://cdn.shopify.com/s/files/1/0435/3350/0565/files/52019106227.pdf
- https://cdn.shopify.com/s/files/1/0430/5109/0077/files/luwekiri.pdf
- https://cdn.shopify.com/s/files/1/0437/4511/6311/files/lutelamoleguk.pdf
- https://cdn.shopify.com/s/files/1/0431/8461/9681/files/dibitoja.pdf
- https://cdn.shopify.com/s/files/1/0437/9751/2354/files/29769094047.pdf
- https://cdn.shopify.com/s/files/1/0438/6412/9696/files/giweje.pdf
- https://cdn.shopify.com/s/files/1/0434/7707/4086/files/91906441466.pdf
- https://cdn.shopify.com/s/files/1/0432/5657/8216/files/ancient_egypt_textbook.pdf
- https://cdn.shopify.com/s/files/1/0431/4418/3970/files/judavozet.pdf
- https://cdn.shopify.com/s/files/1/0431/6083/0108/files/15131869321.pdf
- https://cdn.shopify.com/s/files/1/0431/2150/8509/files/keturevukugari.pdf
- https://cdn.shopify.com/s/files/1/0431/5932/2778/files/cambridge_pet_exercises.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_off00007078.bin` `f4af2b76bda9260ecf2c04403d7fa3db874fc2d1254a0c7fc7351094d224f276`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7078	16500 bytes
`font_01_sfnt_off0000a26b.bin` `6bcf5be910087e74d650c405a4b746baceab025c5576aa08bc045e16bd5d7f7f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA26B	5392 bytes
`font_02_sfnt_off0000b4c6.bin` `f90837dc2c03681ae829ebbb3c929b06e213766dce5953eb1bd3577df5be6ece`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB4C6	14892 bytes

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