MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a malicious redirector link and is part of a link farm, indicating an attempt to direct users to malicious sites. The heuristic 'SE_PAYMENT_REDIRECT_LURE' strongly suggests a business-email-compromise pattern, aiming to trick users with fake financial instructions. The ML classifier also flagged this PDF with high confidence.
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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Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LUREDocument describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise 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=bookkeeping+exam+reviewer+pdf
- http://files.angelafree.org/uploads/1/3/0/7/130738531/e3ffa5adaa.pdf
- http://files.thebiologistapprentice.com/uploads/1/3/1/6/131607943/91bdc4c4ab5.pdf
- http://files.emdrforaddiction.com/uploads/1/3/1/4/131438835/9642580.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/6617/1297/files/85697480285.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23929268289.pdf
- https://cdn.shopify.com/s/files/1/0431/7478/9281/files/fimapatifopabitobarilojin.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/98223768302.pdf
- https://cdn.shopify.com/s/files/1/0429/2981/5705/files/tubikivavofigomadik.pdf
- https://cdn.shopify.com/s/files/1/0429/7090/6780/files/pujivinuzanebelixufi.pdf
- https://cdn.shopify.com/s/files/1/0437/8322/5506/files/52449263658.pdf
- https://cdn.shopify.com/s/files/1/0431/6377/9240/files/firubowevibazikutejapanu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/26450106566.pdf
- https://cdn.shopify.com/s/files/1/0429/5104/9370/files/59023825084.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_off0000ae05.bin3023df14212ae4442b78c9ab9d5e378966cc526254124000ee144ba032a0cb2f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE05 | 5192 bytes |
font_01_sfnt_off0000bfa9.bina31b15b0262f3be15f3f0424eb6a69d0db22adae9c7146c5d8e2dd42d21876b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFA9 | 10252 bytes |
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