MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com, and one critical link to a known malicious redirector at ttraff.com. The document body, though heavily obfuscated, contains text suggesting it is a 'science workbook resource' and includes the malicious URL, indicating a lure to redirect users to malicious infrastructure.
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.com/pify?keyword=cambridge+checkpoint+science+workbook+9+teacher+s+resource+pdf
- http://files.shearserenitysalon.com/uploads/1/3/1/3/131383553/53b9878d6b0f11.pdf
- http://xelodaso.missniquecshoetique.com/uploads/1/3/1/3/131383297/cf45289a21.pdf
- http://files.iyengaryogaojai.com/uploads/1/3/2/3/132303270/8fc3f7e867b0.pdf
- https://cdn.shopify.com/s/files/1/0437/4455/9258/files/jukepuboluxisupovixeseka.pdf
- https://cdn.shopify.com/s/files/1/0429/9993/9235/files/72452400675.pdf
- https://cdn.shopify.com/s/files/1/0433/0278/1083/files/7498684599.pdf
- https://cdn.shopify.com/s/files/1/0432/8685/5844/files/bijuvegij.pdf
- https://cdn.shopify.com/s/files/1/0428/2312/3100/files/damufezeloge.pdf
- https://cdn.shopify.com/s/files/1/0434/0603/3052/files/woocommerce_remove_product_count.pdf
- https://cdn.shopify.com/s/files/1/0430/8333/3786/files/fuzedaze.pdf
- https://cdn.shopify.com/s/files/1/0434/4204/5089/files/podanozikobiv.pdf
- https://cdn.shopify.com/s/files/1/0437/3741/5831/files/77647273641.pdf
- https://cdn.shopify.com/s/files/1/0433/3119/0952/files/42540620591.pdf
- https://cdn.shopify.com/s/files/1/0436/0490/2045/files/20666045766.pdf
- https://cdn.shopify.com/s/files/1/0437/8309/4434/files/applied_mathematics_1_mumbai_university.pdf
- https://cdn.shopify.com/s/files/1/0433/4449/4750/files/wuxivajiliderivukimeva.pdf
- https://cdn.shopify.com/s/files/1/0431/6695/7722/files/xonexiru.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_off00004c6b.bine1fee5e59ebad67b1b2b47446ca447b27fc3bedf97fe3a2563803c57ae4a7351 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4C6B | 5892 bytes |
font_01_sfnt_off00006053.bine62460352f1430508a0188a002298f2158e6cc6a704a50a8960dceddc4edff45 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6053 | 9688 bytes |
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