MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged by a machine learning classifier and contains numerous embedded links. One critical heuristic identified a link to known malicious redirector infrastructure, specifically 'https://ttraff.cc/wb?keyword=ang%20probinsyano%20may%2030%202019%20pariwiki%20su'. Another critical heuristic indicated a PDF link farm, with many links pointing to external PDFs hosted on domains like cdn.shopify.com and various other unknown domains. The presence of these links suggests an attempt to manipulate search engine results or redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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=ang%20probinsyano%20may%2030%202019%20pariwiki%20su
- http://kosim.theroadtoparity.org/uploads/1/3/1/4/131454151/bilinisuwozulexa.pdf
- http://files.jusrydetrackclub.com/uploads/1/3/1/3/131383544/bfce0c4aa15936.pdf
- http://files.brittgodwin.com/uploads/1/3/1/0/131070560/2340957.pdf
- http://taweset.mrjennings.org/uploads/1/3/0/9/130968984/ddb265ee.pdf
- https://cdn.shopify.com/s/files/1/0428/8941/2764/files/vilirujereratagiwukegax.pdf
- https://cdn.shopify.com/s/files/1/0440/2269/4046/files/nogaf.pdf
- https://cdn.shopify.com/s/files/1/0434/2356/3925/files/62860097290.pdf
- https://cdn.shopify.com/s/files/1/0464/6862/8630/files/nixekuxoludododixawuza.pdf
- https://cdn.shopify.com/s/files/1/0431/9969/2958/files/24941471089.pdf
- https://cdn.shopify.com/s/files/1/0435/1547/8176/files/ferigaruf.pdf
- https://cdn.shopify.com/s/files/1/0431/3671/2861/files/hippocampal_formation_synaptic_plasticity.pdf
- https://cdn.shopify.com/s/files/1/0434/0659/0119/files/billetes_monedas_mx_apk.pdf
- https://cdn.shopify.com/s/files/1/0429/8866/7034/files/61490664281.pdf
- https://cdn.shopify.com/s/files/1/0429/9040/3737/files/83771625895.pdf
- https://cdn.shopify.com/s/files/1/0432/4818/9603/files/social_psychology_aronson_free.pdf
- https://cdn.shopify.com/s/files/1/0464/6056/7704/files/reducing_fractions_worksheet_4th_grade.pdf
- https://cdn.shopify.com/s/files/1/0434/1999/2222/files/15219274218.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_off00006e5d.bin68e21be004f645a33baabbe2f7798707106dab4f79d61b14bd92edcc1fb1d683 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E5D | 6140 bytes |
font_01_sfnt_off0000834b.bin985134053f86e2c97a0233a429d2e9dfc47b0479e6558abc64c026a8fcd5532f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x834B | 10356 bytes |
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