PDF malware analysis — malicious · 3baefa86b4e659e7

MALICIOUS

PDF

99.8 KB Created: 2020-09-10 16:21:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: bb1ef9e0698a622e7dc3144f1e6106a7 SHA-1: 43cac6e05cced673194a02b015f4c8ab0d3dd053 SHA-256: 3baefa86b4e659e797997d629ede7f17db91c6a3705521ea25a6feea5e2a2e5a

152 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF was flagged for containing a malicious redirector link and a link farm. The primary malicious URL, https://ttraff.com/pify?keyword=anglo+saxon+poetic+format, is identified as a redirector. The document also hosts a large number of external PDF links, many pointing to shopify.com, which is a common tactic for SEO poisoning or distributing malicious 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=anglo+saxon+poetic+format
- https://cdn.shopify.com/s/files/1/0433/9554/7303/files/zanitufokirelebeluned.pdf
- https://cdn.shopify.com/s/files/1/0432/7368/3100/files/vifubusadipe.pdf
- https://cdn.shopify.com/s/files/1/0435/8216/1053/files/53787750996.pdf
- https://cdn.shopify.com/s/files/1/0431/7279/0427/files/centurylink_my_account.pdf
- https://cdn.shopify.com/s/files/1/0431/1177/6416/files/92749227030.pdf
- https://cdn.shopify.com/s/files/1/0437/9534/9666/files/39246837718.pdf
- https://cdn.shopify.com/s/files/1/0432/0781/9422/files/15908241078.pdf
- https://cdn.shopify.com/s/files/1/0467/9788/1493/files/bautagebuch_vorlage_excel.pdf
- https://cdn.shopify.com/s/files/1/0431/7678/8134/files/jessi_brianna_naked.pdf
- https://cdn.shopify.com/s/files/1/0436/7892/4953/files/19th_century_baseball_uniforms_for_sale.pdf
- https://cdn.shopify.com/s/files/1/0461/4301/3017/files/periodic_table_pic.pdf
- https://cdn.shopify.com/s/files/1/0450/9813/9813/files/35727192850.pdf
- https://cdn.shopify.com/s/files/1/0431/1754/3588/files/matazixufeborixarakofibu.pdf
- https://cdn.shopify.com/s/files/1/0463/0570/6146/files/32024824732.pdf
- https://static.usrfiles.com/ugd/8b49c6_4928087b460e496496ab2ef482310bf6.pdf
- https://static.usrfiles.com/ugd/9b7d8a_f5e3fcef8b1b4cb1ac5a13bba5165f8b.pdf
- https://static.usrfiles.com/ugd/d4c4cf_406d42eed7cc4780bcce23fe6455965b.pdf
- https://static.usrfiles.com/ugd/01f9b9_39a6b8d4ab6f4c60970dfc12e86244cf.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_off00014876.bin` `d215d23ffd570112bcb35432ace388f65cc3977b2f51184fb8508500d2f40a3e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x14876	5392 bytes
`font_01_sfnt_off00015acb.bin` `d0a2e852e10b33795748f9f8447551760289f85c10e7e09348304680647d46a4`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x15ACB	11896 bytes

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