MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, with one critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that appears to be the primary lure. The presence of many external PDF links suggests a link farm or SEO poisoning attempt, likely to drive traffic to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=music+video++sites+for+mobile
- http://files.ambroseco.com/uploads/1/3/1/3/131380592/3896793.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/4442/8181/files/fejidiwuxodematiko.pdf
- https://cdn.shopify.com/s/files/1/0435/4077/5064/files/80414657002.pdf
- https://cdn.shopify.com/s/files/1/0435/1708/3802/files/paxonizobejiluvetekuza.pdf
- https://cdn.shopify.com/s/files/1/0432/0201/9487/files/java_stringbuilder_clear.pdf
- https://cdn.shopify.com/s/files/1/0429/6556/5589/files/63884482455.pdf
- https://cdn.shopify.com/s/files/1/0427/4146/5244/files/5975576569.pdf
- https://cdn.shopify.com/s/files/1/0433/1978/7675/files/55442640744.pdf
- https://cdn.shopify.com/s/files/1/0432/0342/8515/files/medicinal_chemistry_lecture_notes.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/85155057715.pdf
- https://cdn.shopify.com/s/files/1/0434/4361/7959/files/4839594334.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_off0000668b.bin3d3ee16184d5cd627221cff6d60b0dfacc8b3ba06fbe79272f2c853a04c526ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x668B | 5160 bytes |
font_01_sfnt_off0000780b.bin251efaa8bceb169a6474882a304cc11b41d0eda92b50b97e3e417a3d43106280 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x780B | 10052 bytes |
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