MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The ML classifier also strongly indicated maliciousness. This suggests the document is part of a link farm or SEO spam campaign designed to redirect users to malicious sites.
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=cambridge+english+empower+for+spanish+speakers+a2+pdf
- http://files.lifeislikevegetables.com/uploads/1/3/1/3/131384281/lidiki-pumumaborulenuk.pdf
- http://vopema.jeremylepisto.com/uploads/1/3/0/9/130969754/jepopulowigan_xesinupuravi_golonimoz.pdf
- http://files.supwirral.club/uploads/1/3/1/1/131164556/xirirevawovom_jufofuke_dapanil.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/66656561998.pdf
- https://cdn.shopify.com/s/files/1/0428/6231/3631/files/nobat.pdf
- https://cdn.shopify.com/s/files/1/0432/4638/7367/files/xobetetidajat.pdf
- https://cdn.shopify.com/s/files/1/0431/1918/1978/files/romuvevuvugadi.pdf
- https://cdn.shopify.com/s/files/1/0429/8499/7017/files/82927642209.pdf
- https://cdn.shopify.com/s/files/1/0432/8184/2341/files/radixivawabujivobizibem.pdf
- https://cdn.shopify.com/s/files/1/0431/5525/9560/files/72802629805.pdf
- https://cdn.shopify.com/s/files/1/0439/2042/5115/files/successful_project_management_5th_edition.pdf
- https://cdn.shopify.com/s/files/1/0431/1315/2673/files/literacy_strategies_for_improving_mathematics_instruction.pdf
- https://cdn.shopify.com/s/files/1/0431/7003/7924/files/30934479659.pdf
- https://cdn.shopify.com/s/files/1/0429/1071/1971/files/baguxiv.pdf
- https://cdn.shopify.com/s/files/1/0432/2826/6654/files/xolenomexesinademexom.pdf
- https://cdn.shopify.com/s/files/1/0429/8647/1587/files/84386099573.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004c23.bin0e25bab1f0a54233012d1e5171eb1693c10abc9e85954ef035df09f0ab647000 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4C23 | 5788 bytes |
font_01_sfnt_off00005fb7.bin878cc169805b1b39f5b0ce496c24f19992b6759084176d4c25ccc40e8cac0e00 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FB7 | 9852 bytes |
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