MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically identified as a malicious redirector. The ML classifier also flagged this PDF with high confidence. The document body, though heavily obfuscated, contains the malicious URL and appears to be a lure related to a 'ph lab report'. The presence of a link farm suggests an attempt to manipulate search engine results or distribute malicious content.
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.cc/pify?keyword=determination+of+ph+lab+report
- http://files.everylifelives.com/uploads/1/3/1/4/131438018/9353207.pdf
- http://woper.moniquemariegelineau.com/uploads/1/3/1/3/131398102/xefupibu.pdf
- http://files.nebulawebsolutions.com.au/uploads/1/3/2/6/132696249/dexuzijolopu.pdf
- http://files.mindfulmomentsinedu.com/uploads/1/3/1/3/131398171/molobejawo-buxepugupowutix-wutefuwilum.pdf
- https://cdn.shopify.com/s/files/1/0432/9845/5705/files/google_search_index_of.pdf
- https://cdn.shopify.com/s/files/1/0437/0389/4171/files/posevi.pdf
- https://cdn.shopify.com/s/files/1/0431/5509/5708/files/58632829175.pdf
- https://cdn.shopify.com/s/files/1/0440/8279/0552/files/desmume_pokemon_roms.pdf
- https://cdn.shopify.com/s/files/1/0434/3509/8264/files/76166124233.pdf
- https://cdn.shopify.com/s/files/1/0440/0496/6565/files/63983403979.pdf
- https://cdn.shopify.com/s/files/1/0434/0364/0984/files/alphabetizing_worksheets_for_grade_4.pdf
- https://cdn.shopify.com/s/files/1/0437/6382/6849/files/birkat_hamazon_hebreu.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_off00008bad.bin76c555e09c69adb47a4ce4fbbbd9a644aef2be58590beca54a58dcf1313cfbc7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8BAD | 5104 bytes |
font_01_sfnt_off00009cd9.binf425e8d8caf4d320cbebc35fe81071d5ebaa30ffb9f96e3308c25077a0ca926d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9CD9 | 14736 bytes |
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