PDF malware analysis — malicious · 8c49db96fed46a7f

MALICIOUS

PDF

41.9 KB Created: 2020-08-01 14:02:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9a1e7fdd650322482bfdf297fd960fee SHA-1: 58ccd370d49f831b08c2165fa17d00778a99b63b SHA-256: 8c49db96fed46a7f1a928091ab8f5d21d61df88341c4574ea57ea75cc84719d4

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a significant number of embedded links, with a critical heuristic firing indicating a malicious redirector. The primary malicious URL identified is https://ttraff.cc/pify?keyword=abode+image+ready. The presence of numerous links, many hosted on Shopify, suggests an attempt to create a link farm for SEO poisoning or to distribute malicious content through a compromised platform. The ML classifier also strongly indicated maliciousness.

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=abode+image+ready
- http://files.rootstockcounseling.com/uploads/1/3/0/7/130739528/2407847.pdf
- http://files.rmlegaldocumentpreparation.com/uploads/1/3/1/6/131607075/tobunovufax.pdf
- http://files.adamkk.com/uploads/1/3/2/7/132740536/9895180b37ac9fc.pdf
- http://files.truromass.org/uploads/1/3/1/4/131454549/natelizoruje_lamuwilepusewu_wiwosifisov.pdf
- https://cdn.shopify.com/s/files/1/0429/4164/4963/files/26541095203.pdf
- https://cdn.shopify.com/s/files/1/0434/1163/6381/files/toad_for_oracle_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0432/5244/9435/files/ruvaxozisasazodub.pdf
- https://cdn.shopify.com/s/files/1/0430/0124/9955/files/93187504239.pdf
- https://cdn.shopify.com/s/files/1/0428/9580/2527/files/32894574250.pdf
- https://cdn.shopify.com/s/files/1/0438/3087/0173/files/29882053400.pdf
- https://cdn.shopify.com/s/files/1/0432/3459/0875/files/mizidalaxapazudo.pdf
- https://cdn.shopify.com/s/files/1/0432/8026/9462/files/linedozanogikizijodopivo.pdf
- https://cdn.shopify.com/s/files/1/0431/3258/4087/files/72177770241.pdf
- https://cdn.shopify.com/s/files/1/0438/0118/2369/files/doxedasal.pdf
- https://cdn.shopify.com/s/files/1/0432/3459/0878/files/waruliliginukojiranela.pdf
- https://cdn.shopify.com/s/files/1/0428/7594/5113/files/76989810647.pdf
- https://cdn.shopify.com/s/files/1/0432/2358/0839/files/88708444057.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_off000065d1.bin` `4392b76ed936b3d0e4e3de9a9b1531eb7931cc7eaa5c3444cea04ce3d9da96c1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x65D1	5164 bytes
`font_01_sfnt_off0000774a.bin` `83000c90060e797a30435b41fa4b8d177440949eb57fc9544b357bf9efed5f7c`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x774A	10484 bytes

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