MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to what appears to be a link farm hosted on Shopify. One of these links, https://ttraff.cc/pify?keyword=ruby+one+liners, is identified as a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body contains obfuscated text and URLs, further supporting the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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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.cc/pify?keyword=ruby+one+liners
- http://files.mbeventsforyou.com/uploads/1/3/0/8/130874316/560381.pdf
- http://files.marchesmakers.co.uk/uploads/1/3/1/4/131483069/9bd3a1a8c.pdf
- http://files.jillrfengshui.com/uploads/1/3/1/4/131437491/da86fbe9bd19b0.pdf
- https://cdn.shopify.com/s/files/1/0431/8943/6580/files/zojosizokixatezajokumisow.pdf
- https://cdn.shopify.com/s/files/1/0432/7754/9726/files/75108574372.pdf
- https://cdn.shopify.com/s/files/1/0430/4994/3202/files/88400724448.pdf
- https://cdn.shopify.com/s/files/1/0437/2883/0625/files/zokodezijemizegumufulu.pdf
- https://cdn.shopify.com/s/files/1/0427/9736/7452/files/75728694109.pdf
- https://cdn.shopify.com/s/files/1/0431/1659/3312/files/78135981639.pdf
- https://cdn.shopify.com/s/files/1/0429/6150/2362/files/37346240364.pdf
- https://cdn.shopify.com/s/files/1/0438/3673/5645/files/sigedonexadowejunugexipup.pdf
- https://cdn.shopify.com/s/files/1/0429/7277/4556/files/tufiruwebumavisi.pdf
- https://cdn.shopify.com/s/files/1/0431/1266/1152/files/jexarigemudaz.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_off00005bce.bind06c452f7449706b7ec22f864ed74ff1c6240d7dddff484c18640eaeb5814d8a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BCE | 4716 bytes |
font_01_sfnt_off00006bf2.bina9b5848fcfcba78de4ccf30415c845bc4b13b1751b04b787bc51aa8799b448d8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BF2 | 10420 bytes |
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