MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at 'https://ttraff.cc/pify?keyword=auxiliary+verb+worksheets+pdf'. This suggests a phishing or scam attempt disguised as educational content. The ML classifier strongly supports the malicious nature of this PDF.
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=auxiliary+verb+worksheets+pdf
- http://files.cassandracyril.com/uploads/1/3/0/7/130740148/7f0a1bc.pdf
- http://jezeb.unikzhi.com/uploads/1/3/1/3/131383544/gaxijifunalivano.pdf
- http://files.garyscocktailmuddlers.com/uploads/1/3/0/7/130776402/3f8f83249f9f6.pdf
- http://files.doulaolympia.com/uploads/1/3/1/6/131607683/2202027.pdf
- https://cdn.shopify.com/s/files/1/0440/2449/6286/files/gekuforupobataluzikobewa.pdf
- https://cdn.shopify.com/s/files/1/0431/0512/4516/files/43228337302.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/14981909947.pdf
- https://cdn.shopify.com/s/files/1/0434/7281/4245/files/25853772508.pdf
- https://cdn.shopify.com/s/files/1/0439/1639/4648/files/bukesamafo.pdf
- https://cdn.shopify.com/s/files/1/0432/9255/7467/files/sikini.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zorugeligix.pdf
- https://cdn.shopify.com/s/files/1/0427/7973/8278/files/43736269803.pdf
- https://cdn.shopify.com/s/files/1/0439/2452/1128/files/35114781851.pdf
- https://cdn.shopify.com/s/files/1/0432/8642/9861/files/99902224807.pdf
- https://cdn.shopify.com/s/files/1/0430/9948/8410/files/58624413319.pdf
- https://cdn.shopify.com/s/files/1/0429/6966/1589/files/8150363169.pdf
- https://cdn.shopify.com/s/files/1/0428/7394/6275/files/97402353352.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_off00005bbd.bin0b94889f48b1cd32ec5258e681edf0666d761b96a28282767e1275db57dcea04 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BBD | 5644 bytes |
font_01_sfnt_off00006f01.binab41efe594ea81bf39edc46d6c6cbef3656e76d40c7f0bb487b2189320b78435 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F01 | 9964 bytes |
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