PDF malware analysis — malicious · 7e116707512058fc

MALICIOUS

PDF

55.1 KB Created: 2020-08-30 04:45:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9ec8bb9a7e720a6cce16435afd4f413d SHA-1: ba5eec034b7848211900c076875a0a40ddb3fd7e SHA-256: 7e116707512058fc682360aa137fbabcc3a06557edf2f8a177fe925a6455f8fc

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

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, with numerous embedded URLs, many of which point to Shopify. The ML classifier also strongly flagged this PDF as malicious. The primary attack vector appears to be luring the user to click the malicious link within the document.

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/wix?keyword=babylon%253A+mesopotamia+and+the+birth+of+civilization
- https://cdn.shopify.com/s/files/1/0435/5656/9247/files/free_color_worksheets_for_preschoolers.pdf
- https://cdn.shopify.com/s/files/1/0430/7006/2754/files/38776682205.pdf
- https://cdn.shopify.com/s/files/1/0459/9218/1919/files/psicometria_hutz_download.pdf
- https://cdn.shopify.com/s/files/1/0433/7470/6853/files/poxog.pdf
- https://cdn.shopify.com/s/files/1/0430/9791/5545/files/bepuripozitenik.pdf
- https://static.usrfiles.com/ugd/dad90e_f80d880e068d42af96cbe23b44cf3bd4.pdf
- https://static.usrfiles.com/ugd/64d889_dc90f542778f44179f68b832352cc37f.pdf
- https://static.usrfiles.com/ugd/b8c837_54b08894991047e582f1b28c977478ce.pdf
- https://static.usrfiles.com/ugd/b8c837_2d111c0e31f545549e6df551deddc367.pdf
- https://static.usrfiles.com/ugd/7baf93_f4fd6d8e0c1a486bbe81040469b8daa6.pdf
- https://static.usrfiles.com/ugd/b8c837_9fcb5d25a13548fea8bed5ef55f7124f.pdf
- https://static.usrfiles.com/ugd/158fb9_a4e259070bdc4dc6b1ba7b6691313759.pdf
- https://static.usrfiles.com/ugd/3eed2b_5210683b6c224c51b23e769bd16ac18f.pdf
- https://static.usrfiles.com/ugd/9c43ec_a09efe19f01b4237ba14c86b12e65650.pdf
- https://cdn.shopify.com/s/files/1/0431/8615/9767/files/fumobepokupodim.pdf
- https://cdn.shopify.com/s/files/1/0428/1604/5222/files/81833383832.pdf
- https://cdn.shopify.com/s/files/1/0435/3546/6655/files/27807042183.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_off000096e5.bin` `03d262053807bf55f7bc58d4a270c94f0b574981157e7ab4e9f8419f86812195`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x96E5	5844 bytes
`font_01_sfnt_off0000aaaa.bin` `584240bf239611ab7801b356aee0be0b0951b2d56ffd3cf21112bd3fca6c124c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAAAA	10520 bytes

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