MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a link that redirects to a malicious URL, identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body, though heavily obfuscated, appears to contain text related to 'Inference worksheets 9th grade', suggesting a lure. The ML classifier strongly indicates maliciousness, and the presence of a link farm further supports a malicious intent, 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=inference+worksheets+9th+grade
- http://files.bentleyspaintingandpressurewashing.com/uploads/1/3/1/1/131163953/c033ec1a.pdf
- http://files.pawsandpaint.org/uploads/1/3/1/4/131436967/30667a.pdf
- http://files.pamelagallagher.com/uploads/1/3/1/3/131379042/2777774.pdf
- http://files.sdedesigns.com/uploads/1/3/2/3/132302883/bokozixisoketinerani.pdf
- http://files.iwanttobeanengineer.com.au/uploads/1/3/1/4/131453402/zinemuxalarokos.pdf
- https://cdn.shopify.com/s/files/1/0432/8554/5124/files/6742653845.pdf
- https://cdn.shopify.com/s/files/1/0436/7309/2246/files/sazolejebowujejatunajima.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vuwizesovipijekugufex.pdf
- https://cdn.shopify.com/s/files/1/0438/6121/3344/files/zazebuxekuxata.pdf
- https://cdn.shopify.com/s/files/1/0431/2940/5600/files/20268289077.pdf
- https://cdn.shopify.com/s/files/1/0429/3571/3958/files/devugu.pdf
- https://cdn.shopify.com/s/files/1/0437/4816/3735/files/70463651435.pdf
- https://cdn.shopify.com/s/files/1/0431/4267/6648/files/xakenajamub.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/womosoravitixugefiwil.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_off00007ec5.bin5881a18944f4015fb2022f04957284398a4d6cff6a6acaddd2a4faab31d615ed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EC5 | 5240 bytes |
font_01_sfnt_off00009093.binffcb4298617e78fcc578738fa84e8382aa6adbe05a3985ccc323b2beffa67591 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9093 | 10024 bytes |
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