MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm designed to mimic search engine results, directing users to a malicious redirector at `ttraff.ru`. The document body, though heavily obfuscated, contains the same URL and references 'Harrisons internal medicine pdf', suggesting a lure to disguise malicious intent. The presence of numerous embedded links and the ML classifier's high confidence score indicate a deliberate attempt to distribute malware or conduct phishing.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Embedded URL info EMBEDDED_URLOne 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.ru/pify?keyword=harrisons+internal+medicine+pdf
- http://files.caleotravel.com/uploads/1/3/0/7/130740184/baxonebujobigutura.pdf
- http://files.leadtxip.org/uploads/1/3/0/7/130740573/kugasatu-xuzafoteja-robawipo-zovevow.pdf
- http://files.dallingranch.com/uploads/1/3/2/8/132814048/befilirilebi.pdf
- http://files.howtobeastrongwoman.com/uploads/1/3/0/7/130775784/2c95bfd42d897b3.pdf
- https://cdn.shopify.com/s/files/1/0429/4914/8828/files/10316011397.pdf
- https://cdn.shopify.com/s/files/1/0431/9461/3924/files/25511397528.pdf
- https://cdn.shopify.com/s/files/1/0427/7708/4070/files/rizikizolobizotu.pdf
- https://cdn.shopify.com/s/files/1/0429/2296/7207/files/11481930914.pdf
- https://cdn.shopify.com/s/files/1/0436/0096/9896/files/85606546947.pdf
- https://cdn.shopify.com/s/files/1/0434/3801/4616/files/6782733860.pdf
- https://cdn.shopify.com/s/files/1/0432/3141/2379/files/devakilafifelojepaw.pdf
- https://cdn.shopify.com/s/files/1/0434/0498/4483/files/livixilufanugatadupolilew.pdf
- https://cdn.shopify.com/s/files/1/0433/1234/9334/files/zudinemenoj.pdf
- https://cdn.shopify.com/s/files/1/0431/0941/7127/files/xugenapuxixalasemizakozuj.pdf
- https://cdn.shopify.com/s/files/1/0439/2304/6555/files/61863245553.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006161.bin5c8bb4526622c393911b968649f2a25234b445bbcb71a7b64e6a22eefc6163d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6161 | 5048 bytes |
font_01_sfnt_off00007268.bin9f920a86745712c56d4c87cce80a604e0f135d6b7aab75089d79c46da8ae6685 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7268 | 10200 bytes |
font_02_sfnt_off00009536.bin1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9536 | 4324 bytes |
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