PDF malware analysis — malicious · eee035de48a9adf4

MALICIOUS

PDF

56.7 KB Created: 2020-08-10 09:22:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 9be5bb8e62d870861a20fca1929165c6 SHA-1: b0f4ebcc852c17a0a1a3e2575ee697aea00a44e0 SHA-256: eee035de48a9adf41bd87b67d31baef7a501495540f9d651e7fca5be0da3210c

150 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a malicious link disguised as a document about a medical condition, likely intended to redirect users to a harmful site. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the link points to known malicious infrastructure. The PDF_SEO_LINK_FARM heuristic indicates a large number of outbound links, suggesting an attempt to manipulate search engine results or distribute malicious content broadly. No scripts were extracted from this sample, limiting the analysis of its direct execution behavior.

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=hernia+de+disco+cervical+causas+pdf
- http://vewujotof.drjeanninedavies.com/uploads/1/3/1/3/131384169/31990c60d2125.pdf
- http://files.angiemoll.com/uploads/1/3/2/3/132303151/d0a5056bc32af14.pdf
- http://files.playfulremedies.com/uploads/1/3/2/8/132814050/nagadusitifubaz.pdf
- https://cdn.shopify.com/s/files/1/0430/6573/7370/files/24138071021.pdf
- https://cdn.shopify.com/s/files/1/0434/5102/3510/files/75032156394.pdf
- https://cdn.shopify.com/s/files/1/0433/4141/4552/files/12394429636.pdf
- https://cdn.shopify.com/s/files/1/0429/1965/7628/files/jilugododofidibosarowaxi.pdf
- https://cdn.shopify.com/s/files/1/0429/1405/4300/files/tugemadejexo.pdf
- https://cdn.shopify.com/s/files/1/0449/4534/2619/files/github_change_origin.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/93016620893.pdf
- https://cdn.shopify.com/s/files/1/0433/2329/3864/files/altered_traits_espaol.pdf
- https://cdn.shopify.com/s/files/1/0431/6443/4583/files/mowebutogutidulukunugikel.pdf
- https://cdn.shopify.com/s/files/1/0436/5778/9593/files/vector_calculus_solutions_manual.pdf
- https://cdn.shopify.com/s/files/1/0446/9896/0026/files/a_horse_and_two_goats_short_story.pdf
- https://cdn.shopify.com/s/files/1/0428/8672/5795/files/74597464958.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_off0000a152.bin` `00beb3aad8bbc25c74bf2bbf99fe1626020bc6ba72422e41ede89c05ac9fecde`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA152	5168 bytes
`font_01_sfnt_off0000b300.bin` `a3e74c665aea14c8592a969f80fc58c398f82c6fbd9f3b426ef31fa2b5d97a6b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB300	10204 bytes

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