MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a prominent link to 'ttraff.com', which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains the same URL and a reference to 'hd video converter apk free', suggesting a lure for users to download potentially malicious software. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy to improve SEO for malicious content. No scripts were extracted from this sample.
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=hd+video+converter+apk+free
- http://files.multividrios.com/uploads/1/3/0/7/130739177/befarekumogebij.pdf
- http://files.strongholdinteriors.com/uploads/1/3/1/8/131871659/5258637.pdf
- http://files.joerussellphotos.com/uploads/1/3/0/8/130873876/8feee5b.pdf
- http://files.yogaforgrownups.com/uploads/1/3/1/0/131069890/voripi_tezas_paremo.pdf
- https://cdn.shopify.com/s/files/1/0437/0900/5978/files/dububilubate.pdf
- https://cdn.shopify.com/s/files/1/0433/8424/2337/files/velitaxixojizuze.pdf
- https://cdn.shopify.com/s/files/1/0436/1653/4690/files/accounting_related_terms.pdf
- https://cdn.shopify.com/s/files/1/0432/3350/9535/files/hospital_administration_bm_sakharkar.pdf
- https://cdn.shopify.com/s/files/1/0429/4495/4527/files/17033027948.pdf
- https://cdn.shopify.com/s/files/1/0434/0105/2312/files/nivalu.pdf
- https://cdn.shopify.com/s/files/1/0429/6579/4965/files/tomoni.pdf
- https://cdn.shopify.com/s/files/1/0435/1007/1460/files/timewone.pdf
- https://cdn.shopify.com/s/files/1/0431/9802/1793/files/algebra_questions_year_8.pdf
- https://cdn.shopify.com/s/files/1/0429/2257/3990/files/49225195402.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_off00004711.bin156d6c3963cd898034a084851c6fb776ea9d8c5c8e0d7acc1d80c244bd3f9178 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4711 | 5024 bytes |
font_01_sfnt_off00005839.bin13202cd853dacc1074f1bc4a8bd38af1ea61fb2eaf7267313958711a73b1232c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5839 | 10136 bytes |
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