MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, a significant portion of which point to a link farm hosted on Shopify. One of these links redirects to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body appears to be obfuscated or corrupted, preventing a clear understanding of its direct lure, but the presence of a malicious redirector and a link farm strongly suggests a phishing or malicious content delivery attempt.
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.ru/pify?keyword=carboxylation+reaction+pdf
- http://files.lordandnikes.com/uploads/1/3/0/7/130740211/muforel.pdf
- http://files.mymountains.fr/uploads/1/3/1/4/131436956/a12e21d8d.pdf
- http://files.mirandareed.com/uploads/1/3/0/7/130775245/4764460.pdf
- http://files.bayareareclaiming.org/uploads/1/3/1/1/131164250/239545.pdf
- https://cdn.shopify.com/s/files/1/0430/3601/6802/files/remupobatemimalisikenotaf.pdf
- https://cdn.shopify.com/s/files/1/0430/7494/5184/files/gepavikaso.pdf
- https://cdn.shopify.com/s/files/1/0438/3516/2786/files/60040200469.pdf
- https://cdn.shopify.com/s/files/1/0440/8383/9128/files/63471564011.pdf
- https://cdn.shopify.com/s/files/1/0434/0360/8214/files/6696403532.pdf
- https://cdn.shopify.com/s/files/1/0430/5063/1319/files/27129576703.pdf
- https://cdn.shopify.com/s/files/1/0434/1488/0405/files/zobapuxikegawepizipub.pdf
- https://cdn.shopify.com/s/files/1/0437/6716/9173/files/tukugatitorifoduwuvo.pdf
- https://cdn.shopify.com/s/files/1/0435/3631/8616/files/keluwofuxiraroz.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/79265304831.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_off000094c4.bin7738364db3c83a964d32339a3de9453d04f377c780991a680d560db6d5a06b8b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x94C4 | 5092 bytes |
font_01_sfnt_off0000a629.binb7e54ada9aca3e5b3f5447b56b9f228ba56d946533942a64eda42e33c341909d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA629 | 10804 bytes |
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