MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm and a specific malicious redirector URL, suggesting a phishing or scam attempt. The document body, though obfuscated, contains text related to '8th grade textbook answers' and the malicious URL, indicating a lure. The ML classifier strongly flagged this PDF as malicious, and the presence of numerous external links points to a coordinated effort to distribute malicious content.
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=8th+grade+textbook+answers
- http://files.concealedcurrencyentertainment.com/uploads/1/3/0/7/130776592/4048298.pdf
- http://files.vision-networking.ca/uploads/1/3/1/4/131482864/parosazadago.pdf
- http://rutibe.factorywarrantylist.com/uploads/1/3/2/8/132815176/6796783.pdf
- http://files.wilesbolt.com/uploads/1/3/1/6/131606876/wavuto-mutasiwip-vagan.pdf
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/update_node_nvm.pdf
- https://cdn.shopify.com/s/files/1/0434/5665/9617/files/52741686906.pdf
- https://cdn.shopify.com/s/files/1/0431/1682/2692/files/43503604950.pdf
- https://cdn.shopify.com/s/files/1/0432/5425/1670/files/hannah_arendt_biography.pdf
- https://cdn.shopify.com/s/files/1/0433/4072/6427/files/94962465553.pdf
- https://cdn.shopify.com/s/files/1/0430/8205/5842/files/bloody_roar_free_for_android.pdf
- https://cdn.shopify.com/s/files/1/0437/8322/5506/files/28130630025.pdf
- https://cdn.shopify.com/s/files/1/0429/5534/1977/files/94769916915.pdf
- https://cdn.shopify.com/s/files/1/0433/3902/2494/files/69195349434.pdf
- https://cdn.shopify.com/s/files/1/0432/3082/2555/files/pobikuro.pdf
- https://cdn.shopify.com/s/files/1/0430/3149/4810/files/hodder_cambridge_primary_maths_stage_1.pdf
- https://cdn.shopify.com/s/files/1/0441/0369/6536/files/24125695544.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_off00005703.bin0eb08ae705601b6e1b18edafe131cf9169500b9beae6822a79df2ab4d24ad0b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5703 | 5520 bytes |
font_01_sfnt_off000069cb.bin63dbedfd22ae9bb9840cf291cdfea6284b549b45e53ff124bbfd26a48be2bc13 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69CB | 14180 bytes |
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