MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link farm and a critical heuristic firing indicating it redirects to malicious infrastructure. The document body, though partially corrupted, contains the URL https://ttraff.ru/pify?keyword=balanced+equations+worksheet+1st+grade, which is also listed as a malicious redirector. This suggests the PDF is designed to trick users into visiting a malicious website, likely for phishing or malware distribution.
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=balanced+equations+worksheet+1st+grade
- http://files.itsbcei.com/uploads/1/3/1/4/131438500/7811776.pdf
- http://files.piedpyper.com/uploads/1/3/0/7/130738889/f45cbd.pdf
- https://cdn.shopify.com/s/files/1/0434/4132/4184/files/88166699612.pdf
- https://cdn.shopify.com/s/files/1/0435/2072/1055/files/98393434581.pdf
- https://cdn.shopify.com/s/files/1/0428/7214/4038/files/zaduwi.pdf
- https://cdn.shopify.com/s/files/1/0431/6240/2967/files/37331859570.pdf
- https://cdn.shopify.com/s/files/1/0434/1052/2268/files/raxopijoviwo.pdf
- https://cdn.shopify.com/s/files/1/0431/1236/6241/files/refraction_of_light_through_prism.pdf
- https://cdn.shopify.com/s/files/1/0434/4732/0728/files/32902389309.pdf
- https://cdn.shopify.com/s/files/1/0434/2949/4950/files/a_for_apple_alphabet_list.pdf
- https://cdn.shopify.com/s/files/1/0427/5847/1846/files/70375015385.pdf
- https://cdn.shopify.com/s/files/1/0431/6063/3504/files/riselif.pdf
- https://cdn.shopify.com/s/files/1/0430/8326/8257/files/migubeluxufew.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/marifurozijuzaledenikegi.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_off00005796.bin4c105740d129304130211569523ac1a8cee5bf963d3b80d9f55362131c5c1e85 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5796 | 5584 bytes |
font_01_sfnt_off00006a94.bin0f6e99efec2f851a47ef267f907e66f7acbeb93b28aa09ba985cdcc53c461e4c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6A94 | 10276 bytes |
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