PDF malware analysis — malicious · d0ec2c61baf84616

MALICIOUS

PDF

41.7 KB Created: 2020-08-04 18:47:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: ff3abcbca293c2de04b0b6e412340fb7 SHA-1: 0fcfa177d7641144faf5d9a54c25961c47f5546d SHA-256: d0ec2c61baf84616575089390ad399ad5f7b7976bc107ea9e4cc393ad16904a1

120 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links, many of which point to domains that host PDF files. One critical heuristic firing indicates a malicious redirector link, specifically 'https://ttraff.cc/pify?keyword=nts+analytical+reasoning+questions+and+answers+pdf'. This suggests the document is designed to lead users to malicious sites, likely for phishing or malware distribution. The document body itself contains garbled text but includes the same suspicious URL and several Shopify-hosted PDF links, reinforcing the lure.

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=nts+analytical+reasoning+questions+and+answers+pdf
- http://towudif.alroofingleeds.com/uploads/1/3/1/4/131437886/ralopafivewupod-vukomukafi-kimutisuw.pdf
- http://files.hbcucollegefaircle.org/uploads/1/3/0/7/130776060/diketolavorekivori.pdf
- http://files.simplyhooked.co/uploads/1/3/1/0/131071019/pipinijurenudaxez.pdf
- http://files.sandysbeads.com/uploads/1/3/0/9/130969616/sugemip-basokebez.pdf
- https://cdn.shopify.com/s/files/1/0431/5319/5157/files/19556516227.pdf
- https://cdn.shopify.com/s/files/1/0434/6006/7480/files/gakisanitofiludino.pdf
- https://cdn.shopify.com/s/files/1/0428/1548/8167/files/75292572333.pdf
- https://cdn.shopify.com/s/files/1/0433/6533/5208/files/77183284525.pdf
- https://cdn.shopify.com/s/files/1/0431/8353/8331/files/mapudanini.pdf
- https://cdn.shopify.com/s/files/1/0429/9925/1093/files/dodugoxizokojizoxadurupof.pdf
- https://cdn.shopify.com/s/files/1/0430/2677/6227/files/84059772002.pdf
- https://cdn.shopify.com/s/files/1/0427/8566/9279/files/3370540013.pdf
- https://cdn.shopify.com/s/files/1/0435/1649/3976/files/48294683329.pdf
- https://cdn.shopify.com/s/files/1/0430/9739/1261/files/gowiw.pdf
- https://cdn.shopify.com/s/files/1/0434/4732/0728/files/nefuzidizanikumu.pdf
- https://cdn.shopify.com/s/files/1/0430/9617/8849/files/2521085080.pdf
- https://cdn.shopify.com/s/files/1/0430/0016/8607/files/583110742.pdf
- https://cdn.shopify.com/s/files/1/0430/3935/9127/files/72666405039.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_off00006327.bin` `840d94830ca5854a702f4cb9ee455e108a814c36afe87eac6b056b2799594142`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6327	5612 bytes
`font_01_sfnt_off00007669.bin` `2ca3d8eda7bf14e301144b46a88d0c85f4959031a33becb8e1702a07541e6651`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7669	10200 bytes

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