MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though partially corrupted, suggests a lure related to educational worksheets. The presence of a link farm and a critical heuristic firing for malicious redirector links strongly indicates a phishing or malware distribution attempt. The primary malicious IOC is the redirector URL.
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/wb?keyword=factors%20and%20multiples%20worksheets%20for%20grade%205%20with%20answers
- http://files.dreamwayborzoi.com/uploads/1/3/1/4/131406391/ziwane-gevifokezije.pdf
- http://files.tbulaw.com/uploads/1/3/0/8/130874253/ea594.pdf
- http://files.allforkidscenter.com/uploads/1/3/0/8/130814121/31dce57354.pdf
- http://files.blastoffadventures.net/uploads/1/3/0/7/130776542/sapewigakos-juwakimofanulu.pdf
- https://cdn.shopify.com/s/files/1/0437/2958/4282/files/40328954241.pdf
- https://cdn.shopify.com/s/files/1/0432/3665/5259/files/61030062457.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/gowaluzefep.pdf
- https://cdn.shopify.com/s/files/1/0433/2955/2552/files/73996302649.pdf
- https://cdn.shopify.com/s/files/1/0436/5592/1822/files/blanche_neige_gratuit.pdf
- https://cdn.shopify.com/s/files/1/0432/3760/5544/files/26488870828.pdf
- https://cdn.shopify.com/s/files/1/0433/6392/6174/files/newekinigobujujepom.pdf
- https://cdn.shopify.com/s/files/1/0434/2274/4741/files/58643698734.pdf
- https://cdn.shopify.com/s/files/1/0439/0286/1464/files/67884662684.pdf
- https://cdn.shopify.com/s/files/1/0432/3724/5086/files/fadalanaruworu.pdf
- https://cdn.shopify.com/s/files/1/0440/7685/9544/files/76016930691.pdf
- https://cdn.shopify.com/s/files/1/0430/4555/2290/files/64228707185.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_off000062d9.bin5bce49e5a1a8e8b059255f82c1eecac58403955038937d7788c3640322644ebc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62D9 | 5804 bytes |
font_01_sfnt_off00007690.binbbe78fa95830d9143097235ddae6f160f37a05b257711d7ed57305a4635ceccd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7690 | 9896 bytes |
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