MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO poisoning tactic. One of the primary links directs to a known malicious redirector, indicating an attempt to lead the user to a harmful site. The ML classifier also strongly flagged this PDF as malicious.
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=cached+exchange+mode+performance+issues
- http://files.marksmithillustration.com/uploads/1/3/2/7/132740638/69fb91.pdf
- http://files.cecilybreeding.com/uploads/1/3/2/8/132815298/jolekuje.pdf
- http://zonutevef.manontheearth.com/uploads/1/3/1/4/131438641/bc7e7c15.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/4560/0931/files/51862296102.pdf
- https://cdn.shopify.com/s/files/1/0431/5214/6587/files/revtech_transmission_service_manual.pdf
- https://cdn.shopify.com/s/files/1/0429/8794/6133/files/rikufuporujarifuwak.pdf
- https://cdn.shopify.com/s/files/1/0434/8598/6982/files/the_well_catherine_chanter.pdf
- https://cdn.shopify.com/s/files/1/0429/6799/0438/files/75634536507.pdf
- https://cdn.shopify.com/s/files/1/0431/1180/9190/files/gelojepojotabire.pdf
- https://cdn.shopify.com/s/files/1/0427/8360/4903/files/2731598.pdf
- https://cdn.shopify.com/s/files/1/0435/6649/7960/files/gakolero.pdf
- https://cdn.shopify.com/s/files/1/0430/6986/6141/files/96266364980.pdf
- https://cdn.shopify.com/s/files/1/0433/9925/0072/files/biharwap._in_bhojpuri_song.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/zetuvoveluganimuwejipas.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/2860038855.pdf
- https://cdn.shopify.com/s/files/1/0434/5783/9254/files/45815298980.pdf
- https://cdn.shopify.com/s/files/1/0437/9059/8305/files/vopudukuwivok.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_off00006c76.bin62cabcaee68cfa7f8d98a0245da7390331ba34b4494ea847f442419acf3fa734 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C76 | 5512 bytes |
font_01_sfnt_off00007eff.bin457508d3d9f92a121a7d355eac236166319def4a7f5f34800f1c86aad9abef50 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EFF | 10132 bytes |
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