MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one identified as a malicious redirector pointing to 'ttraff.ru'. The document body, though heavily obfuscated, appears to be a lure related to educational worksheets. The presence of numerous links, including a large number hosted on cdn.shopify.com, suggests a link farm or SEO poisoning tactic to distribute malicious content. The ML classifier strongly flagged this PDF as malicious.
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=reordering+of+sentences+worksheets+for+class+7
- http://files.drake-oakbrook.com/uploads/1/3/2/6/132683292/3409323e.pdf
- http://files.thefeatherednestdowntownwestjefferson.com/uploads/1/3/0/9/130969680/xekujegibevawu.pdf
- http://files.gwendolyndanielsmusic.com/uploads/1/3/1/4/131454420/a92927825a.pdf
- https://cdn.shopify.com/s/files/1/0430/6219/8425/files/wabuwobofibokigoda.pdf
- https://cdn.shopify.com/s/files/1/0434/3624/5142/files/zumilesotelerowabewukugi.pdf
- https://cdn.shopify.com/s/files/1/0433/4521/5656/files/67725755017.pdf
- https://cdn.shopify.com/s/files/1/0440/0925/9158/files/82384016476.pdf
- https://cdn.shopify.com/s/files/1/0427/9179/6902/files/78107001569.pdf
- https://cdn.shopify.com/s/files/1/0433/9872/5793/files/sibuvapulebasogav.pdf
- https://cdn.shopify.com/s/files/1/0432/1509/3920/files/lodakeletunifidofidupifap.pdf
- https://cdn.shopify.com/s/files/1/0432/0441/1556/files/99669439992.pdf
- https://cdn.shopify.com/s/files/1/0432/4474/8950/files/40649682927.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/46905239833.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/
- https://cdn.shopify.com/s/files/1/0440/0925/9158/files/8238401
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000080de.bin60d76c296aa5818a861aaf7df0d296ed66043f00f8b19a1b1e554354b82c1f87 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80DE | 5316 bytes |
font_01_sfnt_off00009309.bine22dae19f2bc1e70521d2a9f2030c881ac0ce054d27dc3f58ccfd3d7bac3e2f2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9309 | 10424 bytes |
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